How to enable IMAP in Gmail By Drew Mathers | September 25, 2015 1 1. Log in to Gmail 2 2. Click the gear icon. 3 3. Click: Settings 4 4. Click: Forwarding and POP/IMAP 5 5. Click: Enable IMAP 6 6. Scroll down. 7 7. Click: Save Changes 8 Posted in Google Apps