Migrate from IMAP servers to G Suite

This migration guide helps you import your organization's email from an IMAP server to Gmail for G Suite. Use the migration tools below with any RFC 3501-compliant IMAP server, including Novell® GroupWise®, Cyrus®, Courier®, Dovecot®, SunMail®, or Zimbra®

Migration options

If the IMAP server...

Then use...

The data migration service

Must be a G Suite super admin

  • Doesn't have a trusted SSL certificate
  • Isn't accessible from Google services, such as an internal network
  • Uses plain usernames instead of an email address for login

G Suite Migration for Microsoft Exchange (GSMME)

Must be a G Suite super admin


Note: When migrating from IMAP, Gmail, or G Suite, the data migration service and GSMME only import email. They don't support migrating contacts, calendar events, or calendar resources.

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