It is best to do this over a long weekend, if possible.
Make a backup of Exchange first. Export Public Folders to PST Start migration using Microsoft 365, from Exchange Admin, use Migration feature. Migrate to Microsoft: https://docs.microsoft.com/en-us/exchange/mailbox-migration/migrating-imap-mailboxes/migrate-g-suite-mailboxes https://docs.microsoft.com/en-us/exchange/mailbox-migration/migrating-imap-mailboxes/prepare-gmail-or-g-suite-accounts | |
Search Keywords: Office 365, Exchange Online |