>> JSN file

JSN file format description

Many people share .jsn files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .jsn file can be edited, converted or printed with. On this page, we try to provide assistance for handling .jsn files.

1 filename extension(s) found in our database.

.jsn - JetSoft Shield Now Data

The JSN data files are related to JetSoft Shield Now. JSN file is a JetSoft Shield Now Data. JetSoft Shield Now is a small application that was designed to help you protect your files. The JetSoft Shield Now seems to be no longer supported.

JetSoft Shield Now
Data files
- / -
JetSoft Shield Now Data related extensions:
Groundspeak Wherigo Cartridge Archive
LS QuizPro Quiz Data
SiRFDemo GPS Almanac File
Metasequoia Palette File
Programmer's Notepad State File
Kretz 3D Ultrasound Image

Naturally, other applications may also use the .jsn file extension. Even harmful programs can create .jsn files. Be especially cautious with .jsn files coming from an unknown source!

Can't open a .jsn file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .jsn file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

msn, hsn, sn, jsm, jsb, jns, isn, jsh, js, jcn

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Descent Mission Data
JavaScript Style Sheet
HostScan Hosts Data
JAWS Script Binary File
InstallShield Skin
Elnec Programmer Serialization File

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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