Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hi, @liang dong
Please first double-check that you are signing in with the same Microsoft account that has the Microsoft 365 subscription.
You can also check if the subscription is active here: https://account.microsoft.com/services
If the subscription shows as active, try uninstalling all Microsoft Office apps from your iPhone or iPad, restart the device, then reinstall the apps from the App Store and sign in again with the same Microsoft account.
If the issue still persists, to help narrow it down:
- Does Microsoft 365 show as active on the Services page?
- Are you sure you are signing in with the same Microsoft account used for the subscription?
- Which Office app is showing the activation message?
Click "Add comment" to let me know.
Thanks!