Policy
Block Insecure Protocols
Microsoft Office 5532.1000
Policy overview
Key metadata and intent for this policy.
This policy setting allows you to control which protocols can be used when opening documents in Microsoft 365 apps. If you enable this policy setting, non-HTTPS links will be blocked when opening documents in Microsoft 365 apps. If you disable this policy setting, all protocols and links will be allowed when opening documents in Microsoft 365 apps. If you don't configure this policy setting, all protocols and links will be allowed when opening documents in Microsoft 365 apps.
Registry values
How enabled and disabled states update the registry.
| Registry location | Type | Enabled value | Disabled value |
|---|---|---|---|
| HKCU\software\policies\microsoft\office\16.0\common\fileio\blockinsecureprotocols | REG_DWORD | 1 | 0 |
Policy elements
Inputs and configuration options exposed by this policy.
This policy has no additional user input fields.
Other policies in this category
Explore related policies at the same level.
- UserActiveX Control InitializationWindows7
- UserAllow Basic Authentication prompts from network proxiesWindows7
- UserAllow file extensions for OLE embeddingWindows7
- UserAllow root or intermediate certificates as VBA trusted publishersWindows 10
- UserAllow specified hosts to show Basic Authentication prompts to Office appsWindows7
- UserAllow VBA to load typelib references by path from untrusted intranet locationsWindows 10
- UserAutomation SecurityWindows7
- UserBlock additional file extensions for OLE embeddingWindows7
- UserBlock all internet macros (ignore trusted locations or publishers)Windows 10
- UserBlock loading of COM/VSTO add-ins registered in HKCUWindows 10
- UserBlock OLE GraphWindows7
- UserBlock OrgChartWindows7