MSN file format description

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

2 filename extension(s) found in our database.

.msn - Descent Mission Data

The MSN game data files are related to Descent. The MSN file is a Descent Mission Data. Descent is a 3D first-person shooter video game developed by Parallax Software and released by Interplay Entertainment Corp. in 1995.

Game Data files
- / -
Descent Mission Data related extensions:
Descent Palette Data
Descent Manager Data
Descent Mission Builder Block
Descent MIDI Audio Data
Descent Mission File
Descent Data

.msn - MSN Content Plus Installation Data

The MSN data files are related to MSN Content Plus. The MSN file is a MSN Content Plus Installation Data. MSN Content Plus is a suit of custom MSN Messenger content enhancement tools and packs. The MSN Content Plus seems to be no longer supported.

MSN Content Plus
Data files
- / -
MSN Content Plus Installation Data related extensions:
Microsoft Money Temporary Data
Money Manager EX Data
Microsoft Office Live Meeting Settings Data
VLC Media Player Font Cache
Microsoft Accounting SQL Server Log
Open Workbench View Data

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

Can't open a .msn 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 .msn file extension is often given incorrectly!

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

hsn, jsn, lsn, men, mn, mns, ms, msb, msg, msh, msj, msm, mxn, smn, sn

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

MakeMusic Finale Lesson
Fallout Message Data
MuPAD Notebook Document
SmartWare Intro Display Data
MultiNote Exchangeable Notes
Maxwell Render Script

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you have useful information about the .msn file format, then write to us! >> MSN file