error code X0X - "Unknown Error"

Grace McGoogan 0 Reputation points
2026-08-26T22:17:56.8166667+00:00

we get error code X0X when trying to create office files

Microsoft 365 and Office | Install, redeem, activate | Other | Other

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  1. AI answer

    2026-08-26T22:18:09.6566667+00:00

    0x0 / “Unknown Error” on macOS Office apps is a known issue that can block creating and editing files.

    Use this resolution path:

    1. Verify macOS is version 12 or later.
    2. Close all Office apps.
    3. If Office was installed from microsoft.com:
      • Open Finder > Applications > Microsoft AutoUpdate.
      • If Microsoft AutoUpdate is not visible there, check /Library/Application Support/Microsoft/MAU2.0/.
      • Install all available updates with Update All or update each app individually.
    4. If the apps were installed from the Mac App Store:
      • Open App Store > Updates.
      • Update Word, Excel, PowerPoint, Outlook, and OneNote.
    5. After updates finish, open the Office app again and test creating a file.

    If the problem is specifically happening while activating Microsoft 365 on Mac, this issue was reported as resolved by updating Office and using macOS 12 or higher.

    AI-generated content may be incorrect. Read our transparency notes for more information.

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