Miscellaneous topics that do not fit into specific categories.
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Your Office license is permanently associated with your old email address, as that email address serves as the Microsoft account that owns the Office license.
Please note that the license cannot be transferred to a different Microsoft account. To use your Office license again, you will need to recover access to your old Microsoft account.
Do you still have an active verification method linked to that account, such as a recovery email address, phone number, or authenticator app? If so, you can try resetting your password here:
https://account.live.com/ResetPassword.aspx
If not, you will need to fill out this account recovery form to regain access to your account: https://account.live.com/acsr
Microsoft takes account security seriously, so the recovery process is fully automated to prevent unauthorized access. Complete the form using a device and location you've used before, and make sure to provide an accessible email address.
Microsoft typically reviews recovery requests within 24 hours. If your request is successful, they’ll send instructions to help you recover your account.
Help with the Microsoft account recovery form: https://support.microsoft.com/account-billing/help-with-the-microsoft-account-recovery-form-b19c02d1-a782-dee6-93c3-dc8113b20c42
You can submit the form up to twice within a 24-hour period, so feel free to include any new details you remember each time until you recover your account.