mittels powerschell
https://support.office.com/en-ie/article/manually-uninstall-office-4e2904ea-25c8-4544-99ee-17696bb3027b
Option 2 – Uninstall Office manually using PowerShell
Remove Office
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Right-click Start
and select Run.
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In the Run dialogue box, type PowerShell, and select OK.
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In the Windows PowerShell window, type the following:
Get-AppxPackage -name “Microsoft.Office.Desktop” | Remove-AppxPackage
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Press Enter.
This takes a few minutes. Once it’s done, a new command prompt appears.
Verify Office was removed
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In the Windows PowerShell window, type the following:
Get-AppxPackage -name “Microsoft.Office.Desktop”
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Press Enter.
If only a command prompt appears and no additional information, it means you successfully removed Office.