Once you successfully show your Microsoft Office product key on Mac, do not lose it again.
Without it, your Office apps (Word, Excel, PowerPoint, Outlook) will eventually enter reduced-functionality mode. Show Microsoft Office Product Key Mac
If you cannot find it in your account, look for the original proof of purchase: Email Receipts: Once you successfully show your Microsoft Office product
Finding a Microsoft Office product key on a Mac is often more about checking your digital records than looking into the software itself. Modern versions of Office (Office 2016, 2019, 2021, and Microsoft 365) typically link the license directly to your Microsoft account rather than storing a viewable key on your hard drive Microsoft Learn 1. Check Your Microsoft Account (Primary Method) Modern versions of Office (Office 2016, 2019, 2021,
Tip: If you have multiple email addresses, check all of them. Users often forget which email was used during the initial setup.