Ошибка compile error cant find project or library

While using the VBA code or macros in Microsoft Access, if you are receiving an error message “Compile error: Can’t find project or library” then it is likely due to a reference object or library type missing. Sometimes, this error is also caused because of a missing link between a library & program code. Fortunately, the issue can be easily fixed by adding/removing the reference to library and registering the library file.

Libraries are the component that provides functionality. Access and its programming language (VBA) are two essential libraries in every project. If MS Access doesn’t provide something which you are looking for, then you can find a library and add it.

But sometimes adding extra libraries causes numerous errors and issues. One such error is “Compile error: Can’t find project or library” (the interface of the error is shown below).

Access can't find project or library

Thus, if you too getting the same error in your MS Access Database, then apply the resolutions mentioned below in this post and solve this error on your own. 

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Before proceeding further, let’s take a look at one of the real user examples who is facing the same issue.

Practical Scenario:

Hello,

I believe my Access 365 had an update now when I try to open my Database if receive this error: 

Compile error: Can’t find project or library

and this sentence is highlighted in the code: Private Function HandleButtonClick(intBtn As Integer) 

Dim dbs As Database. Any idea what I need to do?

Source: Microsoft Community

How Do I Find A Missing Library/Reference In VBA?

Access loads the relevant file (such as a type library, an object library, or a control library) for each reference, as per the information shown in the References box. If Access is unable to fetch this file, then it will perform the following procedures to search for the file.

  1. Access checks for the referenced file whether it is currently loaded in memory or not.
  2. If the file is not loaded there, then MS Access tries to verify that RefLibPaths registry key exists there or not. But, if it is present there then Access checks for a named value which is having the same name as that of the reference. If it matches well, Access loads the reference from the path that the named value points to.
  3. After this the Access makes searches for the referenced file in the following location and in this order:
  • The Application folder (the location of the Msaccess.exe file).
  • The current folder that you see if you click Open on the File
  • The Windows or Winnt folder where the operating system files are running.
  • The System folder is under the Windows or Winnt folder.
  • The folders in the PATH environment variable that is directly accessible by the operating system.

4. If access won’t get such a file then a reference error occurs.

Also read: [Resolved] Microsoft Access Can’t Open The Form Or Report

Lists of Reference Error Messages

Following here is the list of some reference error message that Access users frequently encounters.

  • “Can’t find project or library”
  • “Method MethodName of Object ObjectName Failed”
  • “Function is not available in Usage expression”
  • “Variable not defined” or “User-defined type not defined”
  • “Invalid procedure call or argument,”
  • “ActiveX component can’t create object”

Reason Behind The Access Can’t Find Project Or Library Error

Since the Access database can’t find project or library occurs while running the VBA code or macros in Access so, we cannot blame a single reason behind this.

There could be several factors that can trigger this error, they are as follows:

  1. When a reference object or library type goes missing then they aren’t found by a program which leads to this error.
  2. In case, a library is toggled ON or toggled OFF, it can lead to a missing link between a library & the program code. Hence, the compile error is generated.

Below here is the following manual method to resolve VBA can’t find project or library error. 

Method 1: Adding Or Removing A Reference To A Library

As mentioned above, this error is mainly caused due to reference object or library type missing when using the macros & VBA functions.

Thus, you can easily solve this issue by following the below steps:

  • Launch the MS Access Database application.
  • Then, you have to open a module in the design view. Instead, you can press the ALT + F11 keys together to switch to Visual Basic Editor.
  • After that, click on Tools menu >> click on References.

Compile Error: Can't Find Project or Library

  • Here, uncheck a checkbox “Missing: Microsoft Access Object” >> click on “Ok” option to save the changes you have made.

Compile Error: Can't Find Project or Library

Also read: How To Fix MS Access Reserved Error 7713, 7748, 7711 In Access 2016/ 2013/2010/2007

Method 2: Registering a Library File

Installation and un-installation of any software overwrite, remove, or sometime de-register libraries. In that case, simple functions like Date() or Trim() don’t work.

To see what libraries an Access Project is referenced, open any code window and choose the References option from the Tools menu.

It is possible for the file to be there in the reference list without being correctly registered in the registry. If you suspect such a case, then follow these steps to register the file.

  • Click Start, and then go to the Search option after then click For Files and Folders.
  • In the Search for files and folders named box, type exe.
  • In the Look in box, tap the root of the hard disk.
  • Select the checkbox Include Subfolders, if it is not selected and then click Find Now or Search Now.
  • After getting the file, click Start<Run, and after this delete anything which is in the Open
  • Drag the exe file from the search panel to the Open box.
  • Repeat steps no. 2 to 6, but this time search for FileName.dll, where FileName is the file name that you want to register.
  • When the FileName.dll file is in the Open box with the Regsvr32.exe file, tap to the OK.
  • In Access, check whether the problem is actually.

If you don’t get this Regsvr32.exe file on your system then, check other computers for the file, you can also obtain this file from Microsoft Web site. 

Method 3: Try Un-Register Or Re-Register The Library

If the library is marked missing, then click the Browse button and search for the file for the library.

If still the library is not shown, you may need to re-register it.  For this, just follow these steps:

  • Tap to the windows start button and select the run option.
  • Now enter regsvr32followed with the full path of the library file.
  • If the file name contains the spaces then include quotes, like this:
    regsvr32 “c:\program files\common files\microsoft shared\dao\dao360.dll”

Sometimes, the problem is not get resolved until you re-register the library. So, first of all, unregister the library with this command and then follow the above one to re-register it again:

  • Uncheck the missing library in access.
  • Close access
  • Issue this command to unregister the library :

regsvr32 -u “c:\program files\common files\microsoft shared\dao\dao360.dll”

  • After this re-register it again with the above command and select the library reference again.

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Conclusion:

Don’t forget to compile all modules after making adjustments in the references. To compile all the modules with the module still open, click to the Compile database on the Debug menu. If the modules don’t get compiled, there may be additional unresolved references.

In this article I have discussed Access compile error: Can’t find project or library briefly. You can easily troubleshoot this problem by applying the fixes mentioned here.

So, just try them and get rid of MS Access VBA can’t find project or library effectively.

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  1. Download Stellar Repair for Access rated Great on Cnet (download starts on this page).
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Pearson Willey is a website content writer and long-form content planner. Besides this, he is also an avid reader. Thus he knows very well how to write an engaging content for readers. Writing is like a growing edge for him. He loves exploring his knowledge on MS Access & sharing tech blogs.

Return to VBA Code Examples

This article will demonstrate how to fix the VBA Compile Error: Can’t Find Project or Library.

The VBA Compile Error – Can’t Find Project or Library occurs when your VBA code refers to an external project or library that cannot be found on the user’s PC.  To fix this, make sure that the reference exists in the correct location.

Add Reference to VBA Project

If you have referred to an external project or library in your VBA code, you need to reference the project or library.

Let us have a look at the following code example:

Sub CreateWordDocument()
  Dim wdApp As Word.Application
  Dim wdDoc As Word.Document
'open word
  Set wdApp = New Word.Application
'create a document
  Set wdDoc = wdApp.Documents.Add
'type some stuff
  wdApp.Selection.TypeText "Good morning!"
'show word on the screen
  wdApp.Visible = True
End Sub

This code is referring to the Word object.

Set wdApp = New Word.Application

In order for this code to run correctly, a reference to the Word object library needs to be added to the VBA project.

In the Menu, select Tools > References.

vbacompile error reference

Scroll down through the list of references to find the one you want to use.  In this case, the Microsoft Word 16.0 Object Library.

vbacompileerror add reference

(1) Select the reference and then (2) click OK and then Save your File.

Finding a Missing Reference

If your VBA project does contain a reference such as shown above, but the reference file is missing, when you try to compile the VBA code, you will get the compile error – Can’t find project or library.

vbacompile error cant find library

In the Menu, select Tools > References.

vbacompile error missing reference

If a reference is selected, but the file for that reference is missing, then it will show the word “MISSING” in front of the available reference.  The file for the reference has been registered on the machine but the actual file has either been removed from the machine, is corrupt so cannot be used or has been moved from the location registered.

To solve this problem, remove the reference from the VBA Project by deselecting the reference and then clicking on OK.

If you then open the reference box again, the missing reference will be removed and you should be able to compile your VBA code.

vbacompile error references

Of course, if you are using that reference in your code (ie Word. Application), then when you re-compile the VBA Project, you may end up with another error!

vbacompile error cant find library

You will need to find the missing file reference, make sure that it is registered on your computer, and make sure it’s in the correct location as indicated in the Location path at the bottom of the dialog box.

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While working on the Microsoft Excel document it is likely to encounter a Compile error can’t find project or library Excel. Thus, if you are one such user, who is also facing the same error when using VBA for the Macros, keep on reading this post.

In this comprehensive post, you are going to learn how to fix Compile error in Excel macro using both manual as well as automatic solutions.

Quick Solutions

Step-By-Step Solutions Guide

Way 1- Look for Missing Reference

Open Excel document >> press ALT and F11 keys on your keyboardComplete Steps

Way 2- Registering the Library File

Go to the “Start” menu >> type “CMD” >> click on “Command Prompt (Admin)”Complete Steps

Way 3- Disable Missing Type Or Object Library Option

Press the ALT and F11 keys on your keyboard to switch to the Visual Basic EditorComplete Steps

Way 4- Unregister & Reregister a Library

Press the “Windows + R” keys >> type Regsvr32.exeComplete Steps

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What Does Excel Can’t Find Project or Library Error Mean?

When Compile error: can’t find project or library occurs then it simply means that you can’t perform any operation in your Excel document that needs VBA. Below you can see the real interface of this Compile error:

Compile Error Can't Find Project or Library Excel

In simple words, we can say, this error is faced by the users while using the VBA (Visual Basic Applications) for the macros to perform some assigned tasks.

To fix Excel Can’t Find Project or Library error you have to search for the missing Excel VBA References and after that uncheck Excel references.

Way 1- Look for Missing Reference

The very first method that you should try to fix this error in Excel is to look for missing references.

Here are the complete steps to do this:

  • Open your Excel application and then press ALT and F11 keys on your keyboard.
  • On the opened VBA window go to the tools >> References dialog box.
  • Choose the missing reference and then start your Object Browser.
  • Use the Browse dialog box to make search for your missing reference.
  • Hit the OK.
  • Repeat the preceding steps until all missing references are resolved.

Also Read: [6 Fixes] Cannot Edit A Macro On A Hidden Workbook

Way 2- Registering the Library File

Installing any new software on your PC sometimes de-registers some specific libraries. In that case, registering the library file manually can help you to fix can’t find project or library VBA.

To do this, follow the below steps:

  • On your Windows PC, go to the “Start” menu.
  • Type “CMD” >> click on “Command Prompt (Admin)”.
  • After this, click on “Run as Administrator”.

fix can't find project or library VBA

  • Once a CMD window opens on your screen, you have to type the REGSVR32 “Path of a DLL File which you need to register”. (E.g.- REGSVR32 “C:\Program Files\Blackbaud\The Raisers Edge 7\DLL\RE7Outlook.dll”).

excel compile error can't find project or library

Doing this will help you to register the chosen library file without any error.

Way 3- Disable Missing Type Or Object Library Option

Commonly, the application has lost the reference to an object or type library resulting in the above error while using barcode macro and native VBA Functions.

To fix the Macros Compile error, follow the steps:

  • Open the Microsoft Excel file that is giving you the error message.
  • Make sure the Excel sheet or Datasheet that has the buttons or functions in question is selected.
  • Simultaneously press the ALT and F11 keys on your keyboard to switch to the Visual Basic Editor in a new window (as seen below).
  • In the new Visual Basic Editor window, click on the Tools menu at the top of the screen, and then click.
  • A References dialogue box will display on the screen. A missing type or object library is indicated by “MISSING:” followed by the name of the missing type or object library (an example is MISSING: Microsoft Excel 10.0 Object Library, as seen below).

Compile Error Can't Find Project or Library Excel

  • If there is a checkmark in the checkbox next to the missing type or object library, then un-check the checkbox.
  • Click OK > Exit the Visual Basic Editor.
  • Save the original Excel file.
  • Try using the buttons or functions in question that previously didn’t work and they should now work normally.

An alternative for removing the reference is to restore the referenced file to the path specified in the references dialog box. If the referenced file is in a new location, clear the “Missing: ”reference and create a new reference to the file in its new location.

Way 4- Unregister & Reregister a Library to Fix Compile Error Can’t Find Project or Library Excel

Many users have reported that they solved Excel compile error: can’t find project or library by unregistering & re-registering the library file.

For this, follow the below steps:

  • First, press the “Windows + R” keys together to open Run box >> type Regsvr32.exe.

can't find project or library VBA

  • After this press Enter & type the complete path of a missing/lost library file. (E.g.- “regsvr32 “c:\program files\common files\microsoft shared\dao\dao360.dll”).

Once you are done and if the error still persists then simply unregister a library file.

Here’s how to do so:

Replace the “Regsvr32.exe” with “regsvr32 -u” & paste a path of a library again.

Also Read: Fix VBA Error 400 Running An Excel Macro

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Why Excel Is Showing Can’t Find Project Or Library Error?

  • This error is usually caused by the user’s Excel program. The reason is that your program is referenced to such object or library which is missing. Due to which your Excel program is unable to find it. So the program is unable to use VB or Micro-based functions or buttons. This leads to an error message appearance.
  • Since there are standard libraries so missing a library sounds like a bit of the last chance. Another reason for this, in that case, is that library miss-match occurs. For example, the user may have a library version of 2007 but the reference in the code may be looking for the 2010 version of that specific library. So the program fails to find the corresponding library thus issuing the compilation error.
  • Sometimes a library may be toggled on or toggled off which causes a missing link issue between the library and program code. Therefore the compilation error occurs.
  • Another reason for the error message is concerning the use of Microsoft XP which includes a reference to web service in the VBA project. When you run this project in MS Office 2003, the same compilation error appears. The reason is the same i.e. object or type of library is missing (or not found).

Conclusion:

Hope doing this will help you to fix the error Can’t find project or library Excel 2016but if not then make use of the automatic third-party tool, this will help you to solve the error.

I tried my best to provide ample information about vba can’t find project or library errors and fixes.

However, if you are having any additional fixes or any queries then please share them with us.

Good Luck…

Priyanka is a content marketing expert. She writes tech blogs and has expertise in MS Office, Excel, and other tech subjects. Her distinctive art of presenting tech information in the easy-to-understand language is very impressive. When not writing, she loves unplanned travels.

So I’m having to run someone else’s excel app on my PC, and I’m getting «Can’t find Project or Library» on standard functions such as date, format, hex, mid, etc.

Some research indicates that if I prefix these functions with «VBA.» as in «VBA.Date» then it’ll work fine.

Webpages suggest it has to do with my project references on my system, whereas they must be ok on the developer’s system. I’m going to be dealing with this for some time from others, and will be distributing these applications to many others, so I need to understand what’s wrong with my excel setup that I need to fix, or what needs to be changed in the xls file so that it’ll run on a variety of systems. I’d like to avoid making everyone use «VBA.» as an explicit reference, but if there’s no ideal solution I suppose that’s what we’ll have to do.

  • How do I make «VBA.» implicit in my project properties/references/etc?

-Adam

Vincent's user avatar

Vincent

4273 silver badges12 bronze badges

asked Feb 3, 2009 at 14:05

Adam Davis's user avatar

Adam DavisAdam Davis

92.1k60 gold badges264 silver badges330 bronze badges

5

I have seen errors on standard functions if there was a reference to a totally different library missing.

In the VBA editor launch the Compile command from the menu and then check the References dialog to see if there is anything missing and if so try to add these libraries.

In general it seems to be good practice to compile the complete VBA code and then saving the document before distribution.

answered Feb 3, 2009 at 14:24

Dirk Vollmar's user avatar

Dirk VollmarDirk Vollmar

173k53 gold badges255 silver badges316 bronze badges

5

I had the same problem. This worked for me:

  • In VB go to Tools » References
  • Uncheck the library «Crystal Analysis Common Controls 1.0». Or any library.
  • Just leave these 5 references:
    1. Visual Basic For Applications (This is the library that defines the VBA language.)
    2. Microsoft Excel Object Library (This defines all of the elements of Excel.)
    3. OLE Automation (This specifies the types for linking and embedding documents and for automation of other applications and the «plumbing» of the COM system that Excel uses to communicate with the outside world.)
    4. Microsoft Office (This defines things that are common to all Office programs such as Command Bars and Command Bar controls.)
    5. Microsoft Forms 2.0 This is required if you are using a User Form. This library defines things like the user form and the controls that you can place on a form.
  • Then Save.

JimmyPena's user avatar

JimmyPena

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answered Jul 8, 2011 at 14:18

andres's user avatar

3

I have experienced this exact problem and found, on the users machine, one of the libraries I depended on was marked as «MISSING» in the references dialog. In that case it was some office font library that was available in my version of Office 2007, but not on the client desktop.

The error you get is a complete red herring (as pointed out by divo).

Fortunately I wasn’t using anything from the library, so I was able to remove it from the XLA references entirely. I guess, an extension of divo’ suggested best practice would be for testing to check the XLA on all the target Office versions (not a bad idea in any case).

answered Mar 4, 2009 at 22:44

RedBlueThing's user avatar

RedBlueThingRedBlueThing

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In my case, it was that the function was AMBIGUOUS as it was defined in the VBA library (present in my references), and also in the Microsoft Office Object Library (also present). I removed the Microsoft Office Object Library, and voila! No need to use the VBA. prefix.

answered Jul 11, 2009 at 14:14

blue_wardrobeblue_wardrobe

In my case, I could not even open «References» in the Visual Basic window. I even tried reinstalling Office 365 and that didn’t work. Finally, I tried disabling macros in the «Trust Center» settings. When I restarted Excel, I got the warning message that macros were disabled, and when I clicked on «enable» I no longer got the error message.

Later I re-enabled all macros in the «Trust Center» settings, and the error message didn’t show up!

Hey, if nothing else works for you, try the above; it worked for me! :)

Update:
The issue returned, and this is how I «fixed» it the second time:

I opened my workbook in Excel online (Office 365, in the browser, which doesn’t support macros anyway), saved it with a new file name (still using .xlsm file extension), and reopened in the desktop software. It worked.

answered Feb 5, 2020 at 1:09

Sean McCarthy's user avatar

Sean McCarthySean McCarthy

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2

Even when all references are fine the prefix problem causes compile errors.

What about creating a find and replace sub for all ‘built-in VBA functions’ in all modules,
like this:

replace text in code module

e.g. «= Date» will be replaced with «= VBA.Date».

e.g. » Date(» will be replaced with » VBA.Date(» .

(excluding «dim t As Date» or «mydate»)

All vba functions for find and replace are written here :

vba functions list

answered Dec 4, 2020 at 22:30

Noam Brand's user avatar

Noam BrandNoam Brand

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For those of you who haven’t found any of the other answers work for you.

Try this:

Close out of the file, email it to yourself or if you’re at work, paste it from the network drive to your desktop, anything to get it to open in «protected mode».

Now open the file

DON’T CLICK ANY ENABLE EDITING OR THE YELLOW RIBBON

Go to the VBA Editor

Go to Debug — — Compile VBA Project, if «Compile VBA Project» is greyed out, then you may need to click the yellow ribbon one time to enable the content, but DO NOT enable macros.

After you click Compile, save, close out of the file. Reopen it, enable everything and it should be OK. This has worked for me 100% of the time.

answered Nov 3, 2021 at 19:27

Aspiring Developer's user avatar

In my case I was checking work done on my office computer (with Visio installed) at home (no Visio). Even though VBA appeared to be getting hung up on simple default functions, the problem was that I had references to the Visio libraries still active.

answered Feb 5, 2018 at 10:47

SmrtGrunt's user avatar

SmrtGruntSmrtGrunt

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I found references to an AVAYA/CMS programme file? Totally random, this was in MS Access, nothing to do with AVAYA. I do have AVAYA on my PC, and others don’t, so this explains why it worked on my machine and not others — but not how Access got linked to AVAYA. Anyway — I just unchecked the reference and that seems to have fixed the problem

answered Oct 9, 2019 at 8:10

Daniel Baker's user avatar

I’ve had this error on and off for around two years in a several XLSM files (which is most annoying as when it occurs there is nothing wrong with the file! — I suspect orphaned Excel processes are part of the problem)

The most efficient solution I had found has been to use Python with oletools
https://github.com/decalage2/oletools/wiki/Install and extract the VBA code all the modules and save in a text file.

Then I simply rename the file to zip file (backup just in case!), open up this zip file and delete the xl/vbaProject.bin file. Rename back to XLSX and should be good to go.

Copy in the saved VBA code (which will need cleaning of line breaks, comments and other stuff. Will also need to add in missing libraries.

This has saved me when other methods haven’t.

YMMV.

answered Sep 21, 2020 at 7:50

Sam's user avatar

Хитрости »

1 Май 2011              182204 просмотров


Представим себе ситуацию — вы написали макрос и кому-то выслали. Макрос хороший, нужный, а главное — рабочий. Вы сами проверили и перепроверили. Но тут вам сообщают — Макрос не работает. Выдает ошибку — Can’t find project or library. Вы запускаете файл — нет ошибки. Перепроверяете все еще несколько раз — нет ошибки и все тут. Как ни пытаетесь, даже проделали все в точности как и другой пользователь — а ошибки нет. Однако у другого пользователя при тех же действиях ошибка не исчезает. Переустановили офис, но ошибка так и не исчезла — у вас работает, у них нет.
Или наоборот — Вы открыли чей-то чужой файл и при попытке выполнить код VBA выдает ошибку Can’t find project or library.
Почему появляется ошибка: как и любой программе, VBA нужно иметь свой набор библиотек и компонентов, посредством которых он взаимодействует с Excel(и не только). И в разных версиях Excel эти библиотеки и компоненты могут различаться. И когда вы делаете у себя программу, то VBA(или вы сами) ставит ссылку на какой-либо компонент либо библиотеку, которая может отсутствовать на другом компьютере. Вот тогда и появляется эта ошибка. Что же делать? Все очень просто:

  1. Открываем редактор VBA
  2. Идем в ToolsReferences
  3. Находим там все пункты, напротив которых красуется MISSING.

    Снимаем с них галочки
  4. Жмем Ок
  5. Сохраняем файл

Эти действия необходимо проделать, когда выполнение кода прервано и ни один код проекта не выполняется. Возможно, придется перезапустить Excel. Что самое печальное: все это надо проделать на том ПК, на котором данная ошибка возникла. Это не всегда удобно. А поэтому лично я рекомендовал бы не использовать сторонние библиотеки и раннее связывание, если это не вызвано необходимостью
Чуть больше узнать когда и как использовать раннее и позднее связывание можно из этой статьи: Как из Excel обратиться к другому приложению.
Всегда проверяйте ссылки в файлах перед отправкой получателю. Оставьте там лишь те ссылки, которые необходимы, либо которые присутствуют на всех версиях. Смело можно оставлять следующие(это касается именно VBA -Excel):

  • Visual Basic for application (эту ссылку отключить нельзя)
  • Microsoft Excel XX.0 Object Library (место X версия приложения — 12, 11 и т.д.). Эту ссылку нельзя отключить из Microsoft Excel
  • Microsoft Forms X.0 Object Library. Эта ссылка подключается как руками, так и автоматом при первом создании любой UserForm в проекте. Однако отключить её после подключения уже не получится
  • OLE Automation. Хотя она далеко не всегда нужна — не будет лишним, если оставить её подключенной. Т.к. она подключается автоматически при создании каждого файла, то некоторые «макрописцы» используют методы из этой библиотеки, даже не подозревая об этом, а потом не могут понять, почему код внезапно отказывается работать(причем ошибка может быть уже другой — вроде «Не найден объект либо метод»)

Может я перечислил не все — но эти точно имеют полную совместимость между разными версиями Excel.

Если все же по какой-то причине есть основания полагать, что в библиотеках могут появиться «битые» ссылки MISSING, можно автоматически найти «битые» ссылки на такие библиотеки и отключить их нехитрым макросом:

Sub Remove_MISSING()
    Dim oReferences As Object, oRef As Object
    Set oReferences = ThisWorkbook.VBProject.References
    For Each oRef In oReferences
        'проверяем, является ли эта библиотека сломанной - MISSING
        If (oRef.IsBroken) Then
            'если сломана - отключаем во избежание ошибок
            oReferences.Remove Reference:=oRef
        End If
    Next
End Sub

Но для работы этого макроса необходимо:

  1. проставить доверие к проекту VBA:
    Excel 2010-2019 — Файл -Параметры -Центр управления безопасностью-Параметры макросов-поставить галочку «Доверять доступ к объектной модели проектов VBA»
    Excel 2007 — Кнопка Офис-Параметры Excel-Центр управления безопасностью-Параметры макросов-поставить галочку «Доверять доступ к объектной модели проектов VBA»
    Excel 2003— Сервис — Параметры-вкладка Безопасность-Параметры макросов-Доверять доступ к Visual Basic Project
  2. проект VBA не должен быть защищен

И главное — всегда помните, что ошибка Can’t find project or library может появиться до запуска кода по их отключению(Remove_MISSING). Все зависит от того, что и как применяется в коде и в какой момент идет проверка на «битые» ссылки.

Так же Can’t find project or library возникает не только когда есть «битая» библиотека, но и если какая-либо библиотека, которая используется в коде, не подключена. Тогда не будет MISSING. И в таком случае будет необходимо определить в какую библиотеку входит константа, объект или свойство, которое выделяет редактор при выдаче ошибки, и подключить эту библиотеку.
Например, есть такой кусок кода:

Sub CreateWordDoc()
    Dim oWordApp As Word.Application
    Set oWordApp = New Word.Application
    oWordApp.Documents.Add

если библиотека Microsoft Excel XX.0 Object Library(вместо XX версия приложения — 11, 12, 16 и т.д.) не подключена, то будет подсвечена строка oWordApp As Word.Application. И конечно, надо будет подключить соответствующую библиотеку.
Если используются какие-либо методы из библиотеки и есть вероятность, что библиотека будет отключена — можно попробовать проверить её наличие кодом и либо выдать сообщение, либо подключить библиотеку(для этого надо будет либо знать её GUIDE, либо полный путь к ней на конечном ПК).
На примере стандартной библиотеки OLE Automation(файл библиотеки называется stdole2) приведу коды, которые помогут проверить наличие её среди подключенных и либо показать сообщение либо сразу подключить.
Выдать сообщение — нужно в случаях, если не уверены, что можно вносить подобные изменения в VBAProject(например, если он защищен паролем):

Sub CheckReference()
    Dim oReferences As Object, oRef As Object, bInst As Boolean
    Set oReferences = ThisWorkbook.VBProject.References
    'проверяем - подключена ли наша библиотека или нет
    For Each oRef In oReferences
        If LCase(oRef.Name) = "stdole" Then bInst = True
    Next
    'если не подключена - выводим сообщение
    If Not bInst Then
        MsgBox "Не установлена библиотека OLE Automation", vbCritical, "Error"
    End If
End Sub

Если уверены, что можно вносить изменения в VBAProject — то удобнее будет проверить наличие подключенной библиотеки «OLE Automation» и сразу подключить её, используя полный путь к ней(на большинстве ПК этот путь будет совпадать с тем, что в коде):

Sub CheckReferenceAndAdd()
    Dim oReferences As Object, oRef As Object, bInst As Boolean
    Set oReferences = ThisWorkbook.VBProject.References
    'проверяем - подключена ли наша библиотека или нет
    For Each oRef In oReferences
        Debug.Print oRef.Name
        If LCase(oRef.Name) = "stdole" Then bInst = True
    Next
    'если не подключена - подключаем, указав полный путь и имя библиотеки на ПК
    If Not bInst Then
        ThisWorkbook.VBProject.References.AddFromFile "C:\Windows\System32\stdole2.tlb"
    End If
End Sub

Сразу подкину ложку дегтя(предугадывая возможные вопросы): определить автоматически кодом какая именно библиотека не подключена невозможно. Ведь чтобы понять из какой библиотеки метод или свойство — надо откуда-то эту информацию взять. А она внутри той самой библиотеки…Замкнутый круг :)

Так же см.:
Что необходимо для внесения изменений в проект VBA(макросы) программно
Как защитить проект VBA паролем
Как программно снять пароль с VBA проекта?


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