Policy
Allow Sideloading of extension
Windows 11 25H2
Policy overview
Key metadata and intent for this policy.
Supported OS tags: Windows10
Sideloading installs and runs unverified extensions in Microsoft Edge. With this policy, you can specify whether unverified extensions can be sideloaded in Microsoft Edge. If enabled or not configured, sideloading of unverified extensions in Microsoft Edge is allowed. If disabled, sideloading of unverified extensions in Microsoft Edge is not allowed. Extensions can be installed only through Microsoft store (including a store for business), enterprise storefront (such as Company Portal) or PowerShell (using Add-AppxPackage). When disabled, this policy does not prevent sideloading of extensions using Add-AppxPackage via PowerShell. To prevent this, in Group Policy Editor, enable Allows development of Windows Store apps and installing them from an integrated development environment (IDE), which is located at: Computer Configuration > Administrative Templates > Windows Components > App Package Deployment Supported versions: Microsoft Edge on Windows 10, version 1809 Default setting: Disabled or not configured Related policies: - Allows development of Windows Store apps and installing them from an integrated development environment (IDE) - Allow all trusted apps to install
Registry values
How enabled and disabled states update the registry.
| Registry location | Type | Enabled value | Disabled value |
|---|---|---|---|
| HKCU\Software\Policies\Microsoft\MicrosoftEdge\Extensions\AllowSideloadingOfExtensions | REG_DWORD | 1 | 0 |
Policy elements
Inputs and configuration options exposed by this policy.
This policy has no additional user input fields.
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