Your account might also be temporarily blocked because it picked up on some unusual sign-in activity. If you’re unable to send or receive emails in Outlook, Microsoft says you may need to update your password. Then click See all settings > Forwarding and POP/IMAP > IMAP access > Enable IMAP. You can enable it on a web browser by open Gmail and clicking the gear icon in the top-right corner. IMAP is the system that allows information to flow to and from your phone. Gmail on an iPhone can also have IMAP issues.
