List of domain extensions

.office

.office is a generic extension, run by Microsoft Corporation since 2015. Anyone can register a .office name through a registrar that sells it.

TypeGeneric
Registry operatorMicrosoft Corporation
Who can registerAnyone
In the root zone since23 June 2015
DNSSECSigned
RDAP serverhttps://rdap.nominet.uk/office/
WHOIS serverNone listed
IANA recordiana.org/domains/root/db/office

Look up a .office domain

The .office registry publishes registration data over RDAP. The free domain report reads it and shows a .office domain's registrar, dates, status and DNS in one place. For the raw record, use the WHOIS lookup.

More extensions from Microsoft Corporation

.skypeBrand · 2015
.bingBrand · 2015
.hotmailBrand · 2015
.microsoftBrand · 2015
.windowsBrand · 2015
.azureBrand · 2015
.xboxBrand · 2015

New to extensions? The guide to how domain extensions work covers generic, country-code and brand extensions. For who sells extensions in general, see the list of domain registrars.

Sources: the IANA root zone database and the ICANN list of generic extensions (refreshed 2026-10-24). Something out of date? Tell us.

Frequently asked questions

Who runs the .office extension?

Microsoft Corporation is the registry operator for .office. The registry keeps the list of every .office name; registrars sell the names to the public.

Can anyone register a .office domain?

Yes. Anyone can register a .office name through a registrar that sells it.

When was .office created?

.office was added to the DNS root zone on 23 June 2015, according to IANA.

How do I look up who owns a .office domain?

The .office registry publishes registration data over RDAP at https://rdap.nominet.uk/office/. The free domain report on lemon.domains reads it for you and shows the registrar, dates and status.

Is .office signed with DNSSEC?

Yes. The .office zone is signed, so a .office domain can turn on DNSSEC once its registrar adds a DS record.