The File Extensions Database

.FSM File Extension

  • Developer by: Interplay
  • Category: Game Files

What is an .FSM file?

.FSM is FreeSpace Mission File

Contains game data for "Descent: FreeSpace — The Great War," a space combat simulation game released in 1998; stores progress of a specific mission; can be opened with FreeSpace or edited using FRED, the FreeSpace Editor.

File Type 2 Farandole Composer WaveSample File
Category: Audio Files

Sample format used by Farandole Composer, an older music tracking program

Programs that open Farandole Composer WaveSample File
MODPlug Player
File Type 3 Splitty Master Split File
Developer by: Basta Computing Category: Encoded Files

Master file of a split archive created with Splitty, a file splitter optimized for speed, security, and efficiency; stores information about the split archive and the .FSS data files that make up the archive.

How to solve problems with FSM files

  • Associate the FSM file extension with the correct application. On :
    Windows: Right click on any FSM file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.FSM files". Mac: Right click (or Ctrl-click) the FSM file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .FSM is FreeSpace Mission File. Because only the current version supports the latest FSM file format. Search, therefore, e.g. on the Interplay manufacturer website after an available .FSM is FreeSpace Mission File update.
  • To make sure that your FSM file is not corrupted or virus-infected, get the file again and scan it with antivirus software.