FAQ about Microsoft Office 2021 Product Keys

A lifetime activation key for Office 2021 allows perpetual use of the latest Office suite version on PC or Mac after key activation. Unlike subscriptions, a lifetime key involves a one-time purchase.

To activate the purchased key for Office 2021, log in to your Microsoft account and enter the product key on the official Microsoft website. Download the latest software version there. After installation, open any Office program, proceed to "File", then "Account", and finally "Activate Product". Change the Product Key, and enter the 25-character key in the appearing window.

No, a lifetime product key for Office 2021 does not have an expiration date. After activation with the key, you can use this version of Office indefinitely. However, it is recommended to periodically install updates for compatibility and security support.

Activating Office 2021 requires a Microsoft account. However, creating an account takes just 5 minutes, and the majority of Windows 10 and newer operating system users already have such a profile.