FIX EXCEL ACCOUNT

Kenneth Coffman 0 Reputation points
2026-09-28T19:57:48.96+00:00

I RENEWED MY SUBSCRIPTION BUT NOTHING IS WORKING AND KEEPS ASKING ME TO LOG IN AND THEN SAYS An unknown error has occurred. The error code is: 0x0 or Your purchase was successful but we were unable to associate it with your Microsoft account.

Microsoft 365 and Office | Subscription, account, billing | For home | Other

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  1. Norah-L 11,445 Reputation points Microsoft External Staff Moderator
    2026-10-01T04:48:27.6533333+00:00

    Hello Kenneth,

    This may be related to a recent Microsoft 365/Office activation issue on Mac that caused the “Unknown Error 0x0” message. See the official article: Unknown Error 0x0 or License not found error in Microsoft 365 or Office running on macOS

    Here are some suggestions you can try:

    1. Make sure the Mac is running macOS 12 or later, then close all Office apps.
    2. If Office was downloaded from Microsoft, open Finder > Applications > Microsoft AutoUpdate, then install all available updates. If the apps came from the Mac App Store, open App Store > Updates and update each Office app.
    3. Restart the Mac, open Word or Excel, and sign in with the exact Microsoft account used for the subscription. You can confirm the subscription is listed under Services & subscriptions.
    4. If the purchase was made through the App Store, use Restore Previous Purchase in the Office app.

    If the issue continues, please let me know which version of Office you’re using, and I'll be glad to continue looking into it with you.

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