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Basic information about SEF file

When there is a problem with opening files with the file extension SEF（*.SEF or *.sef）, 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 SEF file yourself.

There are 2 file types using the SEF file extension in our database. In the further part of this page, you will find detail information about all the SEF file with their brief description and a list of programs that support SEF file sorted by operating systems. The table below provides useful information about the SEF file extension. It answers questions such as:
  • What is the SEF file?
  • How to open a SEF file?
  • What programs do I need to open a SEF file?
  • What programs help to create and edit a SEF file?
  • How to convert SEF files to another file format?
  • How to convert another files to SEF file format?


1.Detail information about SEF file extension: Password Manager Container File

File type Password Manager Container File Category Encoded Files
Developer Steganos File format Binary
Description SEF file is a Password Manager Container File developed by Steganos. Encrypted container storing passwords created by Steganos Privacy Suite or Password Manager; used to store multiple secure passwords that are automatically entered when logging into different online accounts.
Software programs that will open, edit or convert SEF files

Windows		 Steganos Password Manager
Steganos Privacy Suite


2.Detail information about SEF file extension: Encryptafile Signature File

File type Encryptafile Signature File Category Encoded Files
Developer XenoSystems File format N/A
Description SEF file is a Encryptafile Signature File developed by XenoSystems.
Software programs that will open, edit or convert SEF files

Windows		 XenoSystems Encryptafile



Can't open a SEF 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.SEF”。

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 SEF extension without any issue.


Where I can download the application that support SEF 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 SEF 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 SEF file?

The reasons for the lack of the ability to open a SEF 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 SEF file. If there is still something wrong, you might want to check:

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

If the SEF 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.