An efs file extension is related to the Effective File Search application for Windows.

There are 4 other file types using
the EFS file extension!

efs icon.efs - Ensoniq SQ80 data

empty icon.efs - EasyFlow data

empty icon.efs - Microsoft Windows Encrypting File System

empty icon.efs - eSignal formula script

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EFS file extension - Effective File Search data

What is efs file? How to open efs files?

File type specification:

Various data file type icon Various data file type

The efs file extension is related to the Effective File Search, a software for Microsoft Windows operating system that allows users to index and search data on hard drive.

The efs file stores some kind of data used by Effective File Search.

The default software associated to open efs file:

Effective File Search picture or screenshot

Effective File Search  Microsoft Windows software

Company or developer:

Effective File Search (EFS) is a search tool for Microsoft Windows operating system. EFS is a real replacement for the Windows Search utility.

Help how to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

List of recommended 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).

Unspecified and all other actions for computer programs working with efs file - Effective File Search data

Click on the software link for more information about Effective File Search. Effective File Search uses efs file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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