About GWMMO

As an administrator for your organization, you can use Google Workspace Migration for Microsoft Outlook (GWMMO) to let your users import mail, calendar events, and personal contacts from a Microsoft Exchange account or a local PST file to a Google Workspace account. You can migrate data on behalf of a single user using the command-line version of the product.

What data can users import?

• Mail, calendar, and contact data (all at once or in separate stages)
• Mail sent before or after a specific date

What can you exclude from a migration?

• Junk mail and deleted items
• Specific mail folders for a single user (admins only, from the command-line version)

Minimum system requirements

For Microsoft Windows: 

• Windows Vista (32 and 64-bit)—Microsoft no longer supports Windows Vista. We recommend upgrading to a supported version of Windows.
• Windows 7, 8, and 10 (32 and 64-bit)

We recommend that you update to the latest patches for your Windows version. 

For Outlook:

• Outlook 2003 SP or 2007 SP2 (or SP1 with hotfix)—Microsoft no longer supports Outlook 2003 and 2007. We recommend upgrading to a supported version of Outlook.
• Outlook 2010, 2013, 2016, and 2019 (32 and 64-bit)

What’s not supported

• macOS
• Windows XP and Server 2003
• Windows 10 ARM-based PCs
• Outlook from Microsoft 365 (web, Android, macOS, and iOS versions)—Switch to a supported computer version of Outlook.

Related topic

• What is migrated?
• Migrate data from Apple to Google Workspace

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