Migrate from IMAP servers to Google Workspace

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

Migration options

If the IMAP server...

Then use...

The data migration service

Must be a 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 super admin


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

Related topics

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