There is one other file type using
the EFR file extension!

efr file icon.efr - Encryptafile Private Key file

Detailed description

Software that works with efr file extension

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EFR file extension - WJVN fragment file

What is efr file? How to open efr files?

File type specification:

Various data file type icon Various data file type

The EFR file extension is associated with the WJVN. An *.efr file contains a cell-assembly fragment data.

The default software associated to efr file type:

WJVN  Microsoft Windows software

Company or developer:
  Renato Nobili

WJVN is the first complete Microsoft Windows version of an application for the practical implementation of John von Neumann's cellular automata. 

Help how to open EFR 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 EFR:

Due the variability and uncertainty of this file type group, there is no general information available, about how to convert this various data file format. However most files with extension from this group are usually not in formats, which can be converted. 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.

List of software applications associated to the .efr 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 efr file, edit efr file, convert efr file, view efr file, play efr file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
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 of the efr files.

  • Open efr file
  • Create efr file
  • Others efr file

Software that open efr file - WJVN fragment file

Click on the link to get more information about WJVN for open efr file action.

Microsoft Windows:

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