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VBA & Macro Problems

How to Fix Runtime Error 53 in Microsoft Office on Mac

Khadija KhanKhadija Khan Oct 20, 2026 868 views

Question details

The user is encountering Runtime Error 53 when launching Microsoft Office applications on a Mac, even though Adobe products are not installed on the system.

How to Fix Runtime Error 53 in Microsoft Office on Mac
Product
Microsoft Office
Device & OS
Mac
Scenario
Opening an application or a document within Microsoft Office on macOS.
Observed behavior
A "Runtime Error 53" prompt appears on startup, indicating a general Visual Basic for Applications (VBA) failure, typically caused by the system failing to locate a file referenced by a hidden macro or an incompatible add-in.
Before you start

Ensure you have saved all your open documents and fully quit all Microsoft Word, Excel, and PowerPoint applications before attempting to remove or disable any add-in files.

Solution 1Recommended

Identify and Remove Incompatible Add-ins

Since Runtime Error 53 is most frequently caused by an outdated or orphaned VBA-based add-in attempting to load at startup, locating and removing it from the hidden Library folder is the most effective fix.

On macOS, Microsoft Office stores startup add-ins and templates in a specific Group Containers folder. Leftover files from previously uninstalled software can trigger VBA errors because the base files they reference are missing.

1
Open the Go to Folder menu

Open Finder on your Mac. Click on "Go" in the top menu bar, then select "Go to Folder..." or simply press the Command + Shift + G keyboard shortcut.

2
Navigate to the Office Startup directory

Copy and paste the following path into the search box and press Return: ~/Library/Group Containers/UBF8T346G9.Office/User Content/Startup/

3
Locate and isolate add-in files

Look inside the Word, Excel, and PowerPoint folders for any add-in files (such as .dotm or .xlam files). Drag these files to your Desktop to temporarily isolate them.

4
Relaunch the application

Open the Microsoft Office application that was presenting the error. If it opens smoothly without Error 53, you can safely delete the isolated files from your Desktop.

Identify and Remove Incompatible Add-ins
Common Culprits: Even if you have never installed Adobe Acrobat, similar third-party add-ins or leftover macro files often cause this error. Clearing the Startup folder usually resolves the issue immediately.
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Frequently Asked Questions

What does Runtime Error 53 mean in Microsoft Office?

Runtime Error 53 is a Visual Basic for Applications (VBA) error indicating "File not found." It occurs when a macro or an add-in attempts to access a system file or dynamic-link library that does not exist or has been deleted. On Mac, this is frequently caused by leftover add-in template files from uninstalled software.

Why am I getting this error if I never installed Adobe Acrobat?

While Adobe's 'linkCreation.dotm' file is the most well-known cause of this specific Mac error, Error 53 is not exclusive to Adobe. It can be triggered by any third-party add-in (like EndNote or WebEx) or custom macro that was poorly written, corrupted, or incorrectly removed from your system.

How do I access the hidden Library folder on macOS?

By default, Apple hides the user Library folder. To access it, open Finder, click on the "Go" menu at the top of the screen, and hold down the "Option" key. The hidden "Library" option will appear in the dropdown list for you to click. Alternatively, you can use the "Go to Folder" shortcut (Command + Shift + G) and explicitly type '~/Library/'.

Will deleting add-in files from the Startup folder delete my personal documents?

No. The Office Startup folder only contains template macros and integration add-ins that load into the background when the application starts. Removing these files will not delete, alter, or affect your personal documents, spreadsheets, or presentations in any way.