EFSDump v1.03

By Mark Russinovich

Published: October 12, 2021

Download Download EFSDump (161 KB)


Windows 2000 introduces the Encrypting File System (EFS) so that users can protect their sensitive data. Several new APIs make their debut to support this facility, including one-QueryUsersOnEncryptedFile-that lets you see who has access to encrypted files. This applet uses the API to show you what accounts are authorized to access encrypted files.

Using EFSDump

Parameter Description
-s Recurse subdirectories.

EFSDump takes wildcards e.g. 'efsdump *.txt'.

Download Download EFSDump (161 KB)

Runs on:

  • Client: Windows Vista and higher.
  • Server: Windows Server 2008 and higher.