Forum Discussion
IBN22
Sep 06, 2025Copper Contributor
I need help with migration
Hello I need to migrate our account to a wider business due to a merger. In general, I need to change the domain name while keeping my email history without losing any data. On top, I need to ensu...
tekan3
Sep 09, 2025Copper Contributor
Add the new domain in Microsoft 365 Admin Center, make it primary,
and keep the old domain as a secondary alias. This way, all history stays intact
and old emails continue to arrive without issues.