Control use of the File System API for reading

If you set this policy to 3, websites can ask for read 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:

* BlockFileSystemRead (2) = Don't allow any site to request read access to files and directories via the File System API

* AskFileSystemRead (3) = Allow sites to ask the user to grant read access to files and directories via the File System API

Use the preceding information when configuring this policy.

Control use of the File System API for reading

0. Don't allow any site to request read access to files and directories via the File System API
   

   Registry Hive	HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
   Registry Path	Software\Policies\Microsoft\Edge
   Value Name	DefaultFileSystemReadGuardSetting
   Value Type	REG_DWORD
   Value	2

1. Allow sites to ask the user to grant read access to files and directories via the File System API
   

   Registry Hive	HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
   Registry Path	Software\Policies\Microsoft\Edge
   Value Name	DefaultFileSystemReadGuardSetting
   Value Type	REG_DWORD
   Value	3