Control use of the File System API for writing

Supported on: Microsoft Windows 7 or later

Registry

HKLM Software\Policies\Google\Chrome
HKCU Software\Policies\Google\Chrome

Options

DefaultFileSystemWriteGuardSetting enum
  • Do not allow any site to request write access to files and directories -> 2
  • Allow sites to ask the user to grant write access to files and directories -> 3

Description

Setting the policy to 3 lets websites ask for write access to files and directories in the host operating system's file system. Setting the policy to 2 denies access. Leaving it unset lets websites ask for access, but users can change this setting.