Hi JcW32,
Thank you for reaching out to Microsoft Q&A Forum, and I appreciate the detailed explanation of your situation.
Typically, Microsoft Office is tied to the Microsoft Account used during its original activation. If that account was recently unlocked and Office apps now function properly when you're signed into it, that confirms it's still the active license holder.
Unfortunately, Office licenses, especially perpetual ones like Office 2016 or Office 2019, cannot be deactivated and reassigned to a different Microsoft Account. However, you can re-activate Office using the same original Microsoft Account, provided it's accessible and the license is still valid. This should resolve the “problem with your account” message across your local PC accounts.
Here's a few steps that I recommend you should take:
Sign in to Office apps using the original Microsoft Account associated with the license.
Ensure that account is added under Settings > Accounts > Email & accounts on your PC.
Remove any conflicting or unused Microsoft Accounts from Office sign-in prompts to avoid confusion.
Check activation status by opening Word or Excel and going to: File > Account > Product Information
If the issue persists even after signing in with the correct account, I suggest contacting Microsoft Support directly. Choose “Office” as the product and describe your issue, including your ESU enrollment and license history.
I hope this helps you get the thing sorted out quickly!
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