Outlook not logging in to server

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murgatroyd

Senior Member
OS Version(s)
  1. Windows
Outlook version
Outlook 2021 64 bit
Email Account
POP3
Operating system::    Windows 11
Outlook version:     Outlook 2021
Email type or host:    POP (outlook.com)
I have been using Outlook 2021 Home & Business on a new Windows 11 laptop for several months with no problems; however, today when doing a send/receive for my outlook.com email account, a username/password prompt keeps popping up, but it keeps failing with the error message "Your email server rejected your login", although I have not changed any settings anywhere, and the server name, username and password are all correct.

According to this webpage ...
POP, IMAP, and SMTP settings for Outlook.com - Microsoft Support

... the settings for POP setup should be like this ...
Screenshot 2024-09-18 141630.png


... and my Outlook profile matches this exactly, except it has no "Authentication method" setting ...

Screenshot 2024-09-18 142926.png


My Outlook 2021 is Version 2408, Build 17928.2156. What do I need to do to get it working again?
 
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