Comparisons
Microsoft 365 Copilot in GCC vs GCC High: which one for CUI?
Short answer
Microsoft points CUI holders to GCC High. GCC is FedRAMP Moderate, which matches the baseline DFARS 252.204-7012 names on paper. But Microsoft's own guidance sends organizations that handle CUI, or need DFARS or ITAR compliance, to GCC High. Ask your assessor before putting CUI in GCC.
Microsoft 365 Copilot in GCC High: Runs in Microsoft 365 GCC High, FedRAMP Certified Class D (High) since 2024-12-26. Microsoft 365 Copilot in DoD environment: The Microsoft 365 DoD environment is for DoD agencies and mission partners whose workloads must meet IL5.
Generated from our dataset. Sources last re-checked Oct 17, 2026.
Side by side
| Microsoft 365 Copilot in GCC (Moderate) | Microsoft 365 Copilot in GCC High | Microsoft 365 Copilot in DoD environment | Microsoft 365 Copilot (commercial cloud) | |
|---|---|---|---|---|
| Can I use it with CUI? | Unclear | Yes, with conditions | Yes, with conditions | Only in a separate environment |
| FedRAMP status | Authorized | Authorized | Unclear | Not listed |
| FedRAMP level | Moderate | High | Not separately listed | None |
| Marketplace detail | Microsoft 365 GCC, FedRAMP Certified Class C (Moderate) | Runs in Microsoft 365 GCC High, FedRAMP Certified Class D (High) since 2024-12-26 | We found no separate Marketplace package for the Microsoft 365 DoD environment | The government clouds are listed separately; commercial Microsoft 365 is not |
| DoD Impact Level | Not established | Not stated for Copilot | IL5 (environment) | Not established |
| GSA OneGov deal | Yes | Yes | Yes | No |
| Conditions and notes | Microsoft describes GCC customers as federal civilian agencies, state and local governments and contractors. | Feature gaps vs commercial include Word, Excel and PowerPoint Agents and Scheduled Prompts. The GSA OneGov Microsoft offer (federal and tribal buyers) applies to GCC, GCC High and DoD. | Eligibility is limited to DoD and mission partners. We could not find a separate Marketplace package for the DoD environment, so we cite Microsoft's own documentation. | Same product name, different boundary. |
| Primary source | fedramp.gov | fedramp.gov | learn.microsoft.com | fedramp.gov |
| Last checked | Oct 17, 2026 | Oct 17, 2026 | Oct 17, 2026 | Oct 17, 2026 |
Every row links to its primary source and full page. Statuses change; open the source before you decide. How we verify.
Related questions
Is GCC enough for CMMC Level 2?
Unclear. GCC is FedRAMP Moderate, which matches the baseline DFARS 252.204-7012 names on paper. But Microsoft's own guidance sends organizations that handle CUI, or need DFARS or ITAR compliance, to GCC High. Ask your assessor before putting CUI in GCC.
Who can use the Microsoft 365 DoD environment?
Eligibility is limited to DoD and mission partners. We could not find a separate Marketplace package for the DoD environment, so we cite Microsoft's own documentation.
Not legal advice. These answers describe what public authorization records and vendor documentation say, not whether your contract, data or configuration is compliant. Confirm with your contracting officer, assessor or counsel.
More questions
Get status changes by email
One short email when an AI tool's FedRAMP, Impact Level or OneGov status changes. No spam, unsubscribe anytime. See our privacy page.