The macOS User Administration Guide: A practical guide to implementing, managing, and optimizing macOS Big Sur features and tools
- ...app > 2.Start your activation by signing in with your Microsoft account(Create a account if you don’t have one yet) > 3.Click “Activate Office” > 4.Sign in your account and follow the next prompts. > 5.Complete Step 1,2 and 3 > 6.Click on Refresh once Office is ready > 7.Open a document and accept the license agreement..