Follow these steps to IMAP Settings in Outlook:

Incoming Mail Server: POP3
Incoming mail server: pop.sbcglobal.yahoo.com
Outgoing mail server: smtp.sbcglobal.yahoo.com

1. You can Enter your username or passwords
2. Then, Enter pop3 server – pop.att.yahoo.com or pop.sbcglobal.yahoo.com
3. Enter Port – 995 or 993
4. Choose Next
5. Enter SMTP server – smtp.att.yahoo.com or smtp.sbcglobal.yahoo.com
6. Enter Port – 465 or 587
7. Enter username
8. Enter password
9. Click to Next

I hope you are satisfied with these steps to SBCGlobal IMAP Settings Outlook after the following steps. But, if you have any technical issues related to SBCglobal email then, you need to connect with sbcglobal email experts.

To know more details: Can't Log Into My SBCGlobal Email