AT&T email not properly working with Outlook, here's how to fix it?
First;y, Check your antivirus on your PC
Make sure that your AT&T account is properly configured
You can use IMAP instead of POP account
Then, Remove your email profile
Start Outlook in Safe Mode
Switch to Google DNS
You may Use webmail or a different email client
You may try these all methods to solve AT&T Email Not Working with Outlook for using your email.