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Sign-in & Login Problems

Fix Microsoft Apps Not Working After Password Change

Algirdas JasaitisAlgirdas Jasaitis Sep 29, 2026 868 views

Question details

The user is experiencing functionality and synchronization issues across various Microsoft applications after updating their account password.

Microsoft 365 Sign In or Create an Account
Product
Microsoft 365, Phone Link, Edge
Device & OS
not provided
Scenario
Attempting to use Microsoft desktop apps or browser services immediately following a Microsoft account password update.
Observed behavior
Applications such as Word, Excel, Phone Link, and Edge stop working or fail to sync because they are still using outdated sign-in credentials.
Before you start

Ensure you have your newly updated Microsoft account password ready and that your device is connected to the internet to verify the new credentials.

Solution 1Recommended

Re-authenticate Affected Microsoft Apps

Manually signing out and signing back in forces the applications to clear old security tokens and accept your newly created password.

Because some Microsoft applications maintain independent login sessions, a global password change on the web does not always automatically push to all local desktop applications. You must manually refresh the session in each app experiencing the issue.

1
Open the affected application

Launch the Microsoft app that has stopped working, such as Microsoft Word or Excel.

2
Access your profile menu

Click on your profile picture or account name, which is typically located in the top-right corner of the application window.

3
Sign out of the old session

Select 'Sign Out' from the dropdown menu to remove the outdated credentials from the application.

4
Sign in with the new password

Click 'Sign In', enter your Microsoft account email address, and input your newly updated password.

5
Repeat for other apps

Perform these exact same steps in Phone Link, Microsoft Edge, and any other apps that are still attempting to use the old password.

Microsoft 365 Sign In or Create an Account
Session Restored: Once signed back in, your applications should instantly restore full functionality and resume syncing to the cloud.
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Frequently Asked Questions

Why do my Microsoft apps stop working when I change my password?

When you update your Microsoft password, local apps retain an older, now-invalid security token. They cannot connect to Microsoft servers to sync or save files until you manually sign out and authenticate using the new password.

Do I have to sign out of every Microsoft app individually?

Yes, in most cases. Applications like Word, Edge, and Phone Link often manage their own independent sign-in sessions, so updating your password requires you to sign out and back into each affected app separately.

What should I do if signing out doesn't fix the sync issue?

If re-authenticating doesn't resolve the problem, you may need to clear your cached credentials. Open the Windows Start menu, search for 'Credential Manager', select 'Windows Credentials', and remove any saved Microsoft account entries before attempting to sign in again.