Control use of the File System API for writing

Policy ID: DefaultFileSystemWriteGuardSetting
Scope: Computer Configuration, User Configuration
Supported on: Microsoft Edge version 86, Windows 7 or later
Source: Microsoft Edge Policy Templates (version 155.0.4283.45)
Category: Microsoft Edge › Content settings

Description

If you set this policy to 3, websites can ask for write access to the host operating system's filesystem using the File System API. If you set this policy to 2, access is denied.

If you don't set this policy, websites can ask for access. Users can change this setting.

Policy options mapping:

* BlockFileSystemWrite (2) = Don't allow any site to request write access to files and directories

* AskFileSystemWrite (3) = Allow sites to ask the user to grant write access to files and directories

Use the preceding information when configuring this policy.

Options

Control use of the File System API for writing
- Don't allow any site to request write access to files and directories
- Allow sites to ask the user to grant write access to files and directories

Registry

ComputerHKEY_LOCAL_MACHINE

HKLM\Software\Policies\Microsoft\Edge View registry values

DefaultFileSystemWriteGuardSettingREG_DWORD

UserHKEY_CURRENT_USER

HKCU\Software\Policies\Microsoft\Edge View registry values

DefaultFileSystemWriteGuardSettingREG_DWORD

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