For Outlook for Android, add the IMAP account manually instead of using the help menu.
- Open Outlook for Android.
- Go to Settings > Add Account > Add Email Account.
- Enter the email address and tap Continue.
- When prompted to select an email provider, choose IMAP.
- Turn on Advanced settings.
- Enter the password and the incoming/outgoing mail server settings.
- Tap the checkmark to finish.
If Outlook does not already know the server settings, those must come from the email provider or administrator.
For the Outlook mobile app flow, another supported path is:
- Tap the avatar in the top left.
- Tap the Gear icon.
- Under Mail Accounts, tap Add Mail Account > Add Email Account.
- Enter the email address and tap Sign In.
- If Outlook does not detect IMAP automatically, tap Not a ___ account and then choose IMAP.
- Enter the username and password.
- If needed, open Advanced Settings and enter the incoming/outgoing server information. Port numbers can be added after the hostname with a colon, for example
imap.server.com:993.
If the connection still fails after entering the correct server details, assistance is needed from the email provider or IT admin.