How to remove Office license files on a Mac - Microsoft Support
Download the License Removal Tool (.pkg). 3. Run the License Removal Process
If you are having trouble activating Microsoft 365 or switching between different versions of Office on your Mac, you likely need to clear out old license files. Microsoft provides a specialized utility for this exact purpose: the . Why Use the License Removal Tool?
If macOS warns you about an "unidentified developer," the file and select Open .
To ensure your security, only download the tool directly from the Microsoft Support website .
Simply uninstalling the Office apps (like Word or Excel) does not always remove the hidden license files stored on your system. You should use this tool if:
(Word, Excel, Outlook, etc.) currently running on your Mac. 2. Download the Official Tool