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How to open .SDN file extension?

File Type : Fidonet Software Distribution Network Compressed Archive
Compatible with (WinXP,Vista,Win7,Win8 and Win10)

Looking for a program to open .SDN files?

"Windows unable to open a file!" is probably the most common error faced by millions 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 .SDN file extension?

.SDN file extension is a known file type. This section of tells you everything you need to know about this extension.
Protected archive format used for transferring shareware programs; contains copyright information pertaining to the file. The contents of an SDN file can be extracted using the ARJ Archiver by Robert K. Jung.
You can see a list of software programs here on 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 .SDN files:

Microsoft Windows:
  • ARJ Archiver