How to Activate Microsoft Office on a Mac

Office for Mac activates through your Microsoft account. Redeem your key first, then install the apps with the official installer package.

1. 1Open setup.office.com on your Mac.
2. 2Sign in or create a Microsoft account and enter your 25-character key.

1. 1Click Install and open the downloaded .pkg file from your Downloads folder.
2. 2Click Continue on the license agreement.
3. 3Optionally click Customize to skip apps you don’t need.
4. 4Click Install and enter your Mac login password when asked.

1. 1Open Word or Excel.
2. 2Click Sign in and use the same Microsoft account.
3. 3Your license validates automatically — you’re ready to work.