Migration/Coexistance from Gsuite to Exchange 2019

Question

We have 600 mailbox user in Gsuite. We want to migrate our mail service from Gsuite to Exchange 2019. How can we migrate our Gsuite mail user data into exchange 2019?

Can we get any action items how to change our MX record from Gsuite to Exchange without missing any mail?

Answer 1

Hi @Al Amran

For migrating mailboxes from Gsite to Exchange on-prem server, the simple way is to migrate the mailbox data via pst files. You could use Outlook Export/Import feature.

Import and export Outlook email, contacts, and calendar
https://support.microsoft.com/en-us/office/import-and-export-outlook-email-contacts-and-calendar-92577192-3881-4502-b79d-c3bbada6c8ef?ui=en-us&rs=en-us&ad=us

The steps should be as the followings:

1. Use Outlook to export the data to pst file.
2. Install Exchange 2016 and configure all urls and records.
3. Create mailboxes
4. Use Outlook to import pst file to the according mailbox

And if your source server is IMAP enabled, you could take the steps mentioned in this article to use IMAP to migrate mails:

https://help.bittitan.com/hc/en-us/articles/115008108487-IMAP-to-On-Premises-Exchange-Migration-Guide#prerequisites-0-1
Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.

Microsoft has official document provide step by step guide migrate from Gsuite to O365, this will also be a good choice you could consider: Migrate consumer Google Workspace (formerly G Suite) mailboxes to Microsoft 365 or Office 365

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