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Best Practices for Migrating Google Workspace Mailboxes to Microsoft 365
Question details
The user needs to know the best practices and official methods for migrating large mailboxes from Google Workspace to Microsoft 365.
- Product
- Microsoft 365
- Device & OS
- not provided
- Scenario
- Planning and executing a large-scale enterprise email migration from Google Workspace to Microsoft 365.
- Observed behavior
- Requires a structured approach involving migration batches, mailbox-size analysis, and strategies to handle Google's data extraction limits.
Ensure you have global administrator access to both Google Workspace and Microsoft 365. Review your current mailbox sizes and take note of Google's daily data extraction limits to properly plan your migration batches.
Perform an Automated Google Workspace Migration in the Exchange Admin Center
Use the automated migration wizard in the Exchange Admin Center (EAC) to streamline the configuration of Google Cloud projects and service accounts.
The automated migration process is the recommended approach for most organizations. It automatically configures the necessary Google Cloud project, enables APIs, and creates the service account required for accessing Google Workspace data.
Log into the Microsoft 365 admin center using your administrator credentials, navigate to the left menu, and click on 'Exchange' to open the Exchange Admin Center.
Go to the 'Migration' tab under 'Exchange'. Click on 'Add migration batch' to launch the migration wizard.
Choose 'Migrate to Exchange Online' and select 'Google Workspace' as your migration type. Click 'Next'.
Follow the on-screen prompts to sign into your Google Workspace admin account. Allow the wizard to automatically provision the Google Service Account and configure the API routing necessary for the data transfer.
Perform a Manual Google Workspace Migration
Manually configure the migration if you require granular control over your Google Cloud project settings and API scopes.
Request Microsoft Support or FastTrack Assistance
Leverage Microsoft's FastTrack program or technical support for large, complex, or multi-tenant migrations.
Enhance Your New Workflow with WPS Office
While you migrate your enterprise emails to Microsoft 365, providing your team with an efficient, lightweight, and cost-effective productivity suite is equally important. WPS Office is a powerful alternative to Microsoft Office, offering full compatibility with Word, Excel, and PowerPoint files without the heavy subscription fees.
- 1. Download and Install: Visit the official WPS Office website and download the free version for your Windows, Mac, or Linux device.
- 2. Open Existing Documents: Launch WPS Office and directly open any existing Microsoft Office or Google Docs files saved on your computer.
- 3. Collaborate and Save: Edit your documents with advanced formatting tools and save them in standard Office formats for flawless compatibility.
Frequently Asked Questions
How do I handle Google Workspace data extraction limits during migration?
Google restricts the amount of data that can be extracted per user daily (typically around 2GB for IMAP/migration). To prevent throttling, it is best practice to perform migrations in batches and start the initial sync weeks before your planned cutover date.
Can I migrate calendars and contacts along with emails to Microsoft 365?
Yes, when using the official Google Workspace migration tools within the Microsoft Exchange Admin Center, your users' calendars and contacts will be migrated alongside their mailbox data automatically.
What is a migration batch and why is it important?
A migration batch is a defined group of users whose mailboxes are migrated together. Using batches allows administrators to carefully monitor the progress, manage data loads, and troubleshoot specific user issues without impacting the entire organization.
Do I need to assign Microsoft 365 licenses before migrating?
Yes, before starting a migration batch, you must ensure that every user being migrated has an active Microsoft 365 license with an Exchange Online mailbox provisioned.
