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.