This is the Trace Id: 5e079cee7d998dd178d53b374f3aa0d6
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Microsoft 365 Certificate Bundle - DoD/GCC High

Certificate bundle containing root CA and intermediate certificates for endpoint security and TLS authentication for Microsoft 365 DoD/GCC High customers.

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  • Version:

    1.1

    Date Published:

    16/03/2026

    File Name:

    m365_chain_certs_itar20201012.p7b

    m365_root_certs_itar20260316.p7b

    File Size:

    46.2 KB

    35.7 KB

    Certificate bundle containing root CA and intermediate certificates for endpoint security and TLS authentication for Microsoft 365 DoD/GCC High customers. This bundle is an aggregate of the Office 365 Certificate Chain bundles at https://docs.microsoft.com/en-us/microsoft-365/compliance/encryption-office-365-certificate-chains, specifically revised for DoD/GCC High requirements. Last updated: 9/29/2020
  • Supported Operating Systems

    Linux And Unix, Macintosh, Windows 10, Windows 11

    Windows, Mac OS, Linux, UNIX
  • Install the certificate bundle to computers used to connect to Microsoft 365 endpoints.