Free Microsoft 365 tenant ID finder
Find your Microsoft 365 / Entra / Azure tenant ID using our free tool. You can also look up an organization by its tenant ID.
No registration or email required. We don't save any information from this tool.
Your tenant ID is
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What is a tenant ID?
A tenant ID is a globally-unique identifier for your Microsoft Entra (Azure AD / Microsoft 365) organization. The tenant ID is used by Microsoft identity endpoints and applications to target a specific organization and directory.
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