cannot install microsoft suite error 0x0

Question

none of my Office 365 premium suite apps work - please help

Answer 1

Hello Denis Kalenja

Based on what you described, Microsoft Office cannot be installed on macOS and returns error 0x0 during setup. This might be caused by a previous or incomplete Office installation or by macOS compatibility issues.

Here's what you can try:

1. Reinstall Office to clear any corrupted or partially installed components. You can follow the official Microsoft step‑by‑step guides below for detailed instructions:

Uninstall Office for Mac

Download, install, or reinstall Microsoft 365 or Office 2024 on a PC or Mac

1. If the issue persists, remove existing Office license files using Microsoft’s license removal tool. This helps when leftover activation or licensing data from an earlier installation interferes with setup.
2. Make sure your Office apps are fully up to date (for example, version 16.57 or later). You can verify this by checking the Update history for Office for Mac and confirming your macOS version is supported for the Office build you’re installing.

Hope this could help. Please feel free to share it here if you need further support!

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Answer 2

Follow these steps to get Microsoft 365 apps working again on macOS:

1. Quit all Office apps
   • Make sure Word, Excel, PowerPoint, Outlook, and OneNote are fully closed.
2. Remove the existing Office apps
   • Open Finder → Applications.
   • Use Command + click to select all Microsoft 365 for Mac apps (Word, Excel, PowerPoint, Outlook, OneNote, etc.).
   • Ctrl+click one of the selected apps and choose Move to Trash.
3. Remove Office data folders
   • In Finder, on the menu bar select Go → Go to Folder….
   • Enter: ~/Library/Containers/ and select Go.
   • In the Containers folder, move these folders to Trash if present:
     • com.microsoft.Word
     • com.microsoft.Excel
     • com.microsoft.Powerpoint
     • com.microsoft.Outlook
     • com.microsoft.OneNote
   • Go back to Library, then open Group Containers.
   • Move these (if present) to Trash:
     • UBF8T346G9.ms
     • UBF8T346G9.Office
4. Reinstall Microsoft 365
   • Open a browser and sign in with the account that has the Microsoft 365 Premium subscription at the Microsoft account services page.
   • From there, download and reinstall the Office apps for Mac.
5. If installation still fails
   • Confirm that the Mac is running a supported macOS version for Microsoft 365. If the OS is too old, install the most recent Office version that is supported for that macOS, or use the free Microsoft 365 apps in a browser.

If after a clean reinstall the apps still do not open, repeat the cleanup steps to ensure all old data is removed, then reinstall again.

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References:

• Microsoft Office apps for Mac quit unexpectedly - Microsoft Q&A
• Download, install, or reinstall Microsoft 365 or Office 2024 on a PC or Mac
• Troubleshoot installing Office
• Cannot install Microsoft 365 because my os is too old - Microsoft Q&A