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

efs file icon.efs - Ensoniq SQ80 file

efs file icon.efs - EasyFlow file

efs file icon.efs - Microsoft Windows Encrypting File System

efs file icon.efs - eSignal Formula Script file

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EFS file extension - Effective File Search file

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 efs file type:

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 EFS files:

Due the variability and uncertainty of this file type group, there is no general information available, about how to open this various data file format. However most files with extension from this group are usually not meant to be opened or viewed directly. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.

For general information try to look at:
Identifying unknown file formats

How to convert file with extension EFS:

As far as we know, this .efs file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

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

Recommended software programs are sorted by OS platform (Windows, Mac OS X 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).

  • Others efs file

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

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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