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Basic information about EFC file

When there is a problem with opening files with the file extension EFC（*.EFC or *.efc）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the EFC file yourself.

There are 4 file types using the EFC file extension in our database. In the further part of this page, you will find detail information about all the EFC file with their brief description and a list of programs that support EFC file sorted by operating systems. The table below provides useful information about the EFC file extension. It answers questions such as:
  • What is the EFC file?
  • How to open a EFC file?
  • What programs do I need to open a EFC file?
  • What programs help to create and edit a EFC file?
  • How to convert EFC files to another file format?
  • How to convert another files to EFC file format?


1.Detail information about EFC file extension: FAIRCOPY Encrypted Fair Copy

File type FAIRCOPY Encrypted Fair Copy Category Encoded Files
Developer N/A File format N/A
Description EFC file is a FAIRCOPY Encrypted Fair Copy. The efc file extension seems to also have been used for some sort of encrypted file generated by program called FAIRCOPY.

It seems to be old and discontinued program and even the developers website is defunct now.

This efc 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.
Software programs that will open, edit or convert EFC files


2.Detail information about EFC file extension: Technics Sx KN 6000 Keyboard Effect Memory Data

File type Technics Sx KN 6000 Keyboard Effect Memory Data Category Uncommon Files
Developer N/A File format N/A
Description EFC file is a Technics Sx KN 6000 Keyboard Effect Memory Data.
Software programs that will open, edit or convert EFC files


3.Detail information about EFC file extension: ANNO 2070 Effect Data

File type ANNO 2070 Effect Data Category Game Files
Developer N/A File format N/A
Description EFC file is a ANNO 2070 Effect Data.
Software programs that will open, edit or convert EFC files

Windows		 ANNO 2070


4.Detail information about EFC file extension: EFiler Configuration

File type EFiler Configuration Category Settings Files
Developer N/A File format N/A
Description EFC file is a EFiler Configuration.
Software programs that will open, edit or convert EFC files

Windows		 eFiler



Can't open a EFC file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.EFC”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the EFC extension without any issue.


Where I can download the application that support EFC file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How 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.


Can I change the extension of EFC files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a EFC file?

The reasons for the lack of the ability to open a EFC file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a EFC file. If there is still something wrong, you might want to check:

  • Whether the EFC file is damaged.
  • Whether the EFC file is incorrectly linked in the registry entries.
  • Whether the EFC file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the EFC file format is incompletely.
  • Whether the EFC file is infected.
  • Whether the drivers of the equipment used for opening a EFC file are up to date.
  • Whether your computer has enough hardware resources to open a EFC file.

If the EFC file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.