Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
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Please go to the Microsoft Services & Subscriptions page here: https://account.microsoft.com/services and sign in with your Microsoft account.
*Please take a screenshot of the page and upload it here for reference.
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This will help me determine whether you have an Office 365 Personal or Family subscription, or a classic plan.
Even if you have an Office 365 classic plan which does not include Copilot AI features, you should be able to edit documents and files in the Office apps on your Android tablet.
- Are you having trouble editing the files there?
Have you tried signing out of your account from the Office apps and signing in again?
If not, try reinstalling the Office apps on your tablet and then see whether you get the same error again.