What is .office?
ICANN's records put the delegation of .office on June 23, 2015. Like most of the newer endings, it was applied for in the 2012 New gTLD Program round and its registry agreement was signed on March 12, 2015.
Microsoft Corporation also runs 7 other TLDs, including .azure, .bing, .hotmail, .microsoft and .skype.
Under the hood, the root zone points to 8 name servers for .office, every one of them reachable over IPv6. The delegation is DNSSEC-signed, so resolvers can verify that answers for .office haven't been tampered with on the way. Registration data is published over RDAP.
Same registry, other endings
7 other TLDs share this operator.
.office FAQ
What does .office mean?
.office is a generic top-level domain named for the word "office", and it's aimed at business & professional. It doesn't belong to any country.
What is .office used for?
.office is mostly used for business & professional. Like most gTLDs, it's a label of intent rather than a guarantee — check the site, not just the ending.
What country is .office?
None. .office is a generic top-level domain, so it isn't tied to any country.
Who owns the .office domain extension?
Microsoft Corporation operates .office as its registry, under a registry agreement with ICANN.
When was .office created?
.office was delegated to the DNS root zone on June 23, 2015.
Is .office a valid domain?
Yes. .office is an active top-level domain in the DNS root zone, delegated in 2015, so .office addresses work in every browser.
Can I buy a .office domain?
.office names are sold through ICANN-accredited registrars. Some gTLDs restrict who can register, so read Microsoft Corporation's policy if you're unsure.
Is .office DNSSEC-signed?
Yes, the root zone holds a DS record for .office.
Sources
Data from IANA root zone version 2026102000. Last changed February 7, 2026. Spotted something wrong? Tell us.
