Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hello andy hanham,
Thank you for reaching out to Microsoft Q&A forum
I understand that you wish to know what licence or user email you redeemed your Microsoft Office with.
Because Microsoft permanently links Office licenses to the email account used at redemption, here is what you can do to find which user email you redeemed your Microsoft Office with:
- Go to: https://account.microsoft.com/services
- Sign in with each email address you might have used (personal, work, school, old aliases).
- What you’ll see if it’s the right account:
- The Office version (Microsoft 365, Office 2021, Home & Business, etc.)
- Subscription status (Active / Expired)
- Install button
- Purchase or redemption date
When a key is redeemed, Microsoft sends a confirmation email from Microsoft. So, you should also try searching in all of your email mailboxes using keyword such as:
- Office activated
- You’re all set
- Microsoft 365
- Office Home & Business
- product key
Feel free reply back to this post if you need further assistance, I'll be happy to help.