for the latest Office for Mac installer or help checking your current macOS version for compatibility? Release notes for Office for Mac - Microsoft Learn
Running this installer will overwrite the buggy Microsoftsetupui.framework with a clean, working version. If a simple update doesn't work: Microsoftsetupui.framework Mac Patch Download
In older Mac environments (typically OS X 10.5.8 through 10.12), this framework handles the user interface elements of the Microsoft Office Setup Assistant. Licensing Verification for the latest Office for Mac installer or
If the framework is missing, the internal updater might still work. Open . Go to /Library/Application Support/Microsoft/MAU2.0/ . Launch Microsoft AutoUpdate.app . Microsoftsetupui.framework Mac Patch Download