Activating a previous purchase

Lara Elliot 20 Reputation points
2026-07-14T17:09:12.5833333+00:00

Every time I try to activate my 365 account on the word app an error occurs. I have checked that I am subscribed and using the same account, I have updated every office app I have and still I can't use word. It seems I can use it just fine online, just not on the app. How do I fix this?

Microsoft 365 and Office | Install, redeem, activate | For home | Other
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Answer accepted by question author

John Jefferson Doyon 80,870 Reputation points Independent Advisor
2026-07-14T17:44:52.4766667+00:00

Hi, @Lara Elliot

What device and operating system are you using, Windows, Mac, iPhone, iPad, or Android?

What is the exact error message or error code when you try to activate Word?

Also, open Word and check File > Account or the profile icon. Does it show the correct Microsoft account, or is another account listed?

For now, sign out of all accounts in the Office apps, close them completely, restart the device, then sign back in using the account shown under Services & subscriptions here: https://account.microsoft.com/services

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