- In the Microsoft 365 admin center, go to the Setup -> DomainsSetup -> Domains page.
On the Domains page, select Add domain. Type the name of the domain you own and press continue.
On the Verify domain page, select Add a TXT record to the domain's DNS records, then select Continue.
Copy the TXT value shown. It looks like this: MS=msxxxxxxxxx
Info You may Remove the TXT record from Zone Editor once the domain shows as verified in Office 365