Help me.... i had been there to solve my problems for eight hours...

Bimo Harya 20 Reputation points
2026-07-15T18:45:12.7833333+00:00

Yesterday, I already bought a new license, and it worked very smoothly and well
but

then it suddenly got blocked and declined my license from Family. Why?

Screen Shot 2026-07-16 at 01.33.05

And while I tried to activate my license like this

boom. got error 0x0

Screen Shot 2026-07-15 at 11.56.22

MacBook Pro 2015 i7
Mac OS 11.7 Big Sur
Microsoft version 16.77

I tried many solutions, even I asked ChatGPT. Still doesn't work and keeps like this.....

Microsoft 365 and Office | Install, redeem, activate | Other | MacOS
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Answer accepted by question author
DaveM121 933.5K Reputation points Independent Advisor
2026-07-15T19:20:59.4966667+00:00

If your version of MacOS is Big Sur, then the error you are seeing is caused by an update on the 13th of July, many people are seeing the exact same error (0x0) if you are unable to upgrade your MacOS to a newer compatible version, your Office apps will go into Read Only mode, on the link below the full details on that update are provided.

https://support.microsoft.com/office/update-microsoft-365-or-office-on-your-macos-or-ios-device-f418ae5d-bb5f-4078-b3d9-9340f5dd084e

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