Cannot Use Copilot

1. Quick checklist
1. Subscription Status
Verify that your Microsoft 365 subscription includes Copilot features
Enterprise users require administrator-assigned licenses
2. Region Support
Check the official list of supported regions
Temporary solution: use a VPN from a supported region
3. Language Settings
Change Office display language to English (some features are English only)
File > Options > Language > Prioritize English
4. Common Problems Fixes
Scenario A: Buttons are grayed out/missing
Update Office to the latest version:
Open any Office application > Account > Update Options > Update Now
5. Reset registry settings:
powershell
reg delete “HKCU\Software\Microsoft\Office\16.0\Common\ExperimentConfigs” /f
Scenario B: “Unable to connect”.
6. Clear Office cache:
Close all Office applications
Delete %localappdata%\Microsoft\Office\16.0\Wef\ folder.
Disable third-party firewall test
7. Enterprise Administrator Operations
 Required Configuration:
In the Microsoft 365 Administrator Center:
Assign Copilot license.
8. Enable related permissions:
powershell
Set-OrganizationConfig -OAuth2ClientProfileEnabled $true
Check if the compliance policy blocks AI functionality
9. Browser-based solutions
 Edge browser exclusive fix:
Visit edge://flags → Search and enable:
Microsoft 365 Copilot
Windows Integrated Authentication
Clear Cookies:
Ctrl+Shift+Del → select “All Time” → Clear