If your
Outlook not working with Yahoo mail
then don't panic, there is always a reason behind every issue. Thus, we have listed all the possible reasons for Yahoo mail not working with the Outlook issue.
1. Poor Internet Connection.
2. When Yahoo mail is not properly configured with Outlook
3. Yahoo mail server us down
4. Incorrect IMAP or POP server settings of Yahoo mail.
5. Add-ons of your device intervene with Outlook or Yahoo.
For more read -
onlinegeeks.net/configure-and-access-yahoo-mail-in-outlook/