Windows 10: I can't log in to my Microsoft Account in my Win11 device.

I recently changed the password for my Microsoft Account to make it more secure. However, all my services OneDrive, Office 365, Outlook on this particular device are not updating with the new password. I tried the usual method of clicking "log in," but the login window opens and then immediately closes.I’ve also tried other solutions, such as changing credentials, manually running Windows services, and even reverting to my old password, but the issue persists. I even attempted to add a new account—nothing works. The login window just opens and closes.I believe the problem might be related to

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Unknown devices on my Microsoft account

Hello Flemmingk,

Could these other devices be from friends that you may have signed in to your Microsoft account on for something?

Either way, you can remove these devices.

*Arrow Microsoft Account - Remove Devices User Accounts Tutorials

Afterwards to be safe, I would recommend to change the password of your Microsoft account, and enable two-step verification if you haven't already.

Change Password of Account in Windows 10 User Accounts Tutorials

Turn On or Off Microsoft Account Two-step Verification User Accounts Tutorials

 

Unable to delete PC from MS Account devices

Hi,

Thanks for posting your query on Microsoft Community.

To assist you better, please provide few details.

• 
  Are you trying to remove your device, by logging in to your account through browser?
  
• 
  Is the issue persist to specific device?
  

I would suggest you to try logging in to your Microsoft account using other browser and try removing the device.

Follow the below steps.

• 
  Go the Sign in to your Microsoft account site, and sign in to your Microsoft account.
  
• 
  Click/tap on the Manage advanced security link under Security & Privacy.
  
• 
  Scroll down towards the bottom of the page to the Trusted devices section, and click/tap on the Remove all the trusted devices associated with my account link.
  
• 
  Click/tap on Remove all trusted devices to confirm.
  

Hope it helps, reply to us with the status of your issue. We will be happy to assist you.

 

register PC with microsoft; use local account to log in

Just simply log in with your Microsoft Account.
Switch to Microsoft Account in Windows 10

Just go back to using a local account:
Switch to Local Account in Windows 10

Hopefully the tutorials are step by step enough.