How to open a file with .SEF extension?

File Type : Encryptafile Digital Signature File (XenoSystems, LLC)
Compatible with (Win10, Win8, Win7, Vista and WinXP)

You'll need a new app to open this .SEF file

Searching for the right program to open .SEF files?

"You'll need a new app to open this file" is probably the most common error faced by millions of Windows users every day. This is either because the program required to open a file is not available on your system or there may be other issues.

We recommend that you run a free scan to check for missing drivers.


What is .SEF file extension?

Digital signature created by Encryptafile after running the "Sign a File" task; used to verify the identity of a Encryptafile .EFL file; may store the signature in a digital envelope if the digital envelope option is selected in the signature options.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.

Software that can be used to open SEFfiles:

  • XenoSystems Encryptafile