Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .efs

2 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .efs file?
  • Which program can create the .efs file?
  • Where can you find a description of the .efs format?
  • What can convert .efs files to a different format?
  • Which MIME-type is associated with the .efs extension?
SQ-80 Sample .efs file icon

SQ-80 Sample

EFS file is a SQ-80 Sample. The Ensoniq SQ-80 is a synthesizer from Ensoniq. It was basically an update to the original Ensoniq ESQ-1 but included more waveforms, a floppy disk drive for storing patches and sequences.
Detailed description not available
Category: Audio files
Application: -
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Audio Interchange File
CD Audio Track
MIDI Music
MPEG Audio Layer 3 File
Macintosh Sound Resource
Creative Labs Sound Blaster Sound
Windows Waveform Sound
AC-3 Compressed Audio
Free Lossless Audio Codec File
Kryptel Filesets File .efs file icon

Kryptel Filesets File

EFS file is a Kryptel Filesets File. Kryptel is a drag-and-drop file and folder encryption that uses strong cryptographic algorithms.
Category: Archive files
Application: Kryptel
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Kryptel Encrypted Container
Kryptel Backup File
Kryptel Encrypted Data

Other types of files may also use the .efs file extension. If you have helpful information about .efs extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

BrainSuite Surface
ERDAS ER Mapper Image Header
Samsung RFS Image
Ensoniq SQ1 Instrument Data
Altair FEKO Far Field Scan Data
Empire Earth Scenario Data
Enthuware Test Studio Document
SmartWare Sort Definition File
Altium Designer Assembler Error Messages File

The .efs filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

evs (1), dfs (1), esf (1), ers (1), efz (1), efw (1), efe (1), sfs (1), ef (1), fs (1), eds (1), fes (1), ebs (1), ets (1), es (1)

Can't open a .efs file?

If you want to open a .efs file on your computer, you just need to have the appropriate program installed. If the .efs association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.efs

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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