Google Workspace migration checklist

1. Discovery

• □ Inventory mailboxes, aliases, shared mailboxes and groups
• □ Map Drive / file shares and owners
• □ List DNS domains and current MX / SPF / DKIM / DMARC
• □ Flag apps that send mail or depend on Outlook
• □ Agree success criteria and rollback rules

2. Design & pilot

• □ Choose Workspace edition and OU structure
• □ Pilot 5–10 users (admin, finance, power user)
• □ Test mail routing and mobile
• □ Enable MFA and leavers/joiners process

3. Cutover

• □ Freeze risky DNS and shared-drive changes
• □ Final sync pass
• □ Update MX; verify inbound/outbound
• □ Communicate “where is mail / Drive” to staff

4. Hypercare

• □ Desk cover for calendar and permission issues
• □ Confirm backups / export strategy
• □ Hand off admin runbook