An efr file extension is associated with the Encryptafile program. An efr file contains private key.

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

empty icon.efr - WJVN cell-assembly fragment data

Detailed description

Software that open efr file

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EFR file extension - Encryptafile private key

What is efr file? How to open efr files?

File type specification:

Encoded and encrypted file type icon Encoded and encrypted file type

The efr file extension is related to the Encryptafile, a software for Microsoft Windows operating system, which allows users to protect sensitive data.

The efr file stores private key used to authenticate an encrypted Encrytafile.

This efr 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.

The default software associated to open efr file:

Encryptafile picture or screenshot

XenoSystems, LLC logoEncryptafile  Microsoft Windows software

Company or developer:
XenoSystems, LLC

Encryptafile is an encryption program for Windows. Encrypt and decrypt data using the latest industry standard strong encryption algorithms.

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .efr 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 .efr 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 efr file, edit efr file, convert efr file, view efr file, play efr file etc. (if exist software for corresponding action in's database).

Unspecified and all other actions for computer programs working with efr file - Encryptafile private key

Click on the software link for more information about Encryptafile. Encryptafile uses efr 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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