The Authentication Session Has Expired Please Sign in Again Microsoft Office

Hi RickKurtz1,

Thanks for querying in this forum. Nosotros do empathize the inconvenience caused and apologize for information technology. And we volition endeavour our best to assist yous.

According to your description, it seems that you have purchased Microsoft 365 and y'all likewise downloaded from Microsoft site, however, you still encountered an error message "The authentication session has expired. Please sign-in once again.".

May I know if my understanding is right? If so, we'd give yous some suggestions beneath and hope that will assist you:

1. Sign out and quit all Office applications . (If yous have signed out the other Office apps)
2. Get to Finder > Applications > Utilities >KeychainAccess and remov east  the following password entries: Microsoft Office Identities Enshroud 2 and Microsoft Office Identities Settings 2
3. Search for all occurrences of ADAL in thekeychain and remov e  all those entries if present.
4. Restart Mac, open Function and employ your account now to sign in once more.

If the aforementioned problem all the same persists after trying the proposition above, to amend understand your situation, could y'all provide the information below?

1. Could y'all provide the screenshot of error bulletin?
2. Could you lot provide the version of your Office? You can go to Word > Most Discussion and provide the screenshot of it.
3. Could you provide the version of Mac Os?
4. Do all role applications have the same trouble?

Best Regards,

Sukie

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Thanks for your response

1) I tin't sign to any of the Microsoft apps

2) I had previously deleted all Microsoft password entries in the Keychain entries per review of previous posts on this discipline.  Same as all occurrences of ADAL

3) did uninstall and reinstall all apps

4) Still getting error

I don't know what version of office I accept because I can't log in.  It was just downloaded from the MS site.

MAC SW version is 10.15.7

All the office applications take the same problem

Screenshot of mistake message attached

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Hi RickKurrtz1,

Nosotros appreciate that you posted back and shared the detailed information with u.s.. We too appreciate that yous spent your precious time doing those tests.

Nosotros have read your description carefully, it seems that you cannot sign in whatever Part applications. And you have also tried deleting all keychains and reinstalling Office, however, the same problem notwithstanding persists.

If my agreement is correct, nosotros desire to requite you some other suggestions below and hope that will assistance y'all:

At the kickoff, you can go to here to check if your account is valid. Become to https://account.microsoft.com/services/  and sign in. Become to Your account >Subscriptions to check if you have the license.

1. If y'all have the related license, since you have tried clearing keychains, You can refer to this commodity: How to remove Role license files on a Mac to use license remov altool to remov e  the license  files on your Mac.
2. If the suggestion above doesn't work, we also noticed that you have reinstalled Role, we'd advise y'all refer to this article: Troubleshoot Function for Mac issues by completely uninstalling before you reinstall to uninstall your Office completely before you reinstall. Which contains some enshroud files. And so you lot tin go to this page to download the latest version of Role 16.43 then sign in again to check if the aforementioned problem will occur.
3. If all suggestions above all don't work, nosotros'd suggest you try creating a new user profile on Mac to cheque if the same problem will occur.

Please do permit us know if that works for yous, we'll exist glad to provide farther assistance.

Best Regards,

Sukie

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Hi RickKurrtz1,

May I know if y'all have seen our replies? May I know if you yet demand assist? If so, you can post dorsum and we will try our best to help you.

Best Regards,

Sukie

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The only option that worked was to create a new user account.

Why is that?  I actually don't desire to have that as a solution.  How practise I drift all my one-time user files and data to the new user?

Cheers

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Hi RickKurtz1,

Nosotros appreciate that you posted dorsum over again and shared the examination results with united states. I'1000 deplorable for the late respond.

Based on your description, it seems that y'all tin can solve the trouble via creating new user profile.

If then, this issue may be related to old user profile on Mac and the old user profile may be corrupted. We do sympathize the inconvenience caused and apologize for information technology. Since this issue is related to sometime user profile on Mac, we'd suggest you contact Apple tree support to check if they will help you solve the problem of sometime user profile on Mac. And we'd advise you employ the new user profile you created on Mac.

At the same fourth dimension, you lot mentioned that you want to migrate files from erstwhile user profile to new user profile, we have likewise searched a lot, we have searched some related threads: How practise I move all my files from ane User Profile (account) into another? I needed to create a new account and want all of my files accessible in the new i. Can you lot transfer files between two user accounts on the same macbook pro?.

If you desire to know most how to migrate files from old user profile to new user profile, we'd suggest you go to Apple tree support to attain more support.

Disclaimer: Microsoft provides no assurances and/or warranties, implied or otherwise, and is not responsible for the data you receive from the third-political party linked sites or whatsoever support related to technology.

Your understanding and patience volition be highly appreciated.

Best Regards,

Sukie

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Source: https://answers.microsoft.com/en-us/msoffice/forum/all/the-authentication-session-has-expired-please-sign/c05e1d74-7fe4-437f-83c8-005383837564

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