


If your Office package is not there, bring it back and check if the error is gone. The default location should be the Applications folders.

If Office keeps on prompting you to grant its apps access to the keychain, check if the installation package has been moved to a different location. If Office prompts you to sign in again, enter your credentials, and check if the error persists.Enter the correct password and click on the Always Allow option when prompted.Then launch any Office app you want and grant MS Office permission to access the keychain.Select your default keychain (it’s usually the Login keychain) and click on the lock icon.Sign out and close all your Office apps.This error usually indicates that Office does not have access to your keychain. ⇒ Important Note: Don’t forget to back up your data before pursuing the solutions below. How Do I Fix Expired Authentication Sessions in Office? Without further ado, let’s explore how you can troubleshoot this problem. The only problem is that the alert doesn’t disappear after you enter your credentials countless times. For example, your Office apps may randomly prompt you to sign in again because “the authentication session has expired”. In spite of all these advantages, Microsoft Office for Mac does come with its fair share of issues. It’s fair to say that if you work with complex spreadsheets, Excel is the right tool to handle the task. Oftentimes, it’s the compatibility factor that tips the scales in Office’s favor. Millions of Mac users rely on Microsoft Office, especially when working collaboratively with other users.
