If you need to set up an IMAP or POP email account, or don't have an email account with Exchange ActiveSync, use these instructions . When you set up an email account using IMAP or POP, only your email will sync--not calendar or contacts.
Set up IMAP account in Outlook for Android
In Outlook for Android, go to Settings > Add Account > Add Email Account.
Enter email address. Tap Continue. When asked to select an email provider, choose IMAP.
Toggle Advanced settings on and enter your password and server settings.
Note: If you don't already know this info, you'll need to get it from your email provider or administrator. For a list of common server settings and reference help, see Server settings you'll need from your email provider.
Tap the checkmark icon to complete.