Enable file screens

Policy ID: Pol_ExclusionListSettings
Scope: Computer Configuration
Supported on: At least Windows Server 2008 R2 or Windows 7
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Network › Offline Files

Description

This policy setting enables administrators to block certain file types from being created in the folders that have been made available offline.

If you enable this policy setting, a user will be unable to create files with the specified file extensions in any of the folders that have been made available offline.

If you disable or do not configure this policy setting, a user can create a file of any type in the folders that have been made available offline.

Options

Enter semi-colon separated file extensions that you want to be excluded from being made available offline by Offline Files.
Extensions must be preceded by an asterisk and period. e.g. "*.dbf;*.jpg"
Extensions:

Registry

ComputerHKEY_LOCAL_MACHINE

HKLM\Software\Policies\Microsoft\Windows\NetCache View registry values

ExcludedFileTypesREG_SZ

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