Files with $efs file extension can be found as documents encrypted using the encryption file system in Word 2003.

Detailed description

Software that open $efs file

Add comment

Bookmark & share this page with others:

$EFS file extension - Encrypted EFS data

What is $efs file? How to open $efs files?

File type specification:

Encoded and encrypted file type icon Encoded and encrypted file type

The $efs file extension is mainly related to EFS files encrypted in Microsoft Office Word 2003.

In order to decrypt these files you need a proper certificate from the original creator of the document. EFS is short for encrypted file system.

This $efs file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

The default software associated to open $efs file:

Microsoft Word icon

Microsoft Corporation logoMicrosoft Word  Microsoft Windows software

Company or developer:
Microsoft Corporation

A popular word processor that started with Word for MS-DOS in 1983 and for year is now a core application of Microsoft Office suite. Microsoft Word offers powerful word processing and text editor features that allow users to easy create high quality documents.

Almost every, if not every, computer user knows .doc and .docx Word documents.

Help how to open:

Use Microsoft Word 2003 to work with *.$efs files.

How to convert:

There is no way how to convert the encrypted *.$efs files. However, after decoding the *.$efs files, original files can be converted.

List of software applications associated to the .$efs file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open $efs file, edit $efs file, convert $efs file, view $efs file, play $efs file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting $efs files.

Software that open $efs file - Encrypted EFS data

Programs supporting the exension $efs on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Microsoft Word for open $efs file action.

Microsoft Windows:

Previous file extension
$CR file extension > Encoded and encrypted file types

Next file extension
file extension 1PIF


Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed