People who try to configure Gmail with outlook can face issues while doing this, but today I will tell you some ways to troubleshoot this issue by which you can fix this issue by yourself:-
- Check SMTP and other settings in Gmail
- Enable folders in Gmail
- Try to Reconfigure Gmail with outlook
- Enable IMAP settings

The above steps are also described more precisely if you want to know more visit the link below. :-https://getassist.net/cant-add-gmail-to-outlook/