| .radiumkey2 |
Radium 2 License File |
| .rmf |
Hammer Rich Map Format |
| .redir |
Spotify Executable Redirect File |
| .swp |
Vi Swap File |
| .sdr |
Dell Support File |
| .sis |
Steam Game Backup Information File |
| .storymill |
StoryMill Project File |
| .shx |
Compiled Shape File |
| .sis.dm |
Ovi Store DRM-Protected Application |
| .sisx.dm |
Nokia Ovi Store DRM-Protected Application |
| .ssc |
StepMania Song File |
| .sec |
PGP Secret Key Ring |
| .std |
Apache OpenOffice Drawing Template |
| .sum |
Scilab Unit Operation Model File |
| .spd |
Form·Z Suspended Render File |
| .shs |
Shell Scrap Object File |
| .sfv |
Simple File Verification File |
| .skindex |
Mail Index File |
| .skr |
PGP Private Keyring |
| .sbk |
sound font files |
| .sisx |
Symbian OS Installation File |
| .sc |
Space Engine Script |
| .svn-work |
Subversion Cache File |
| .sr0 |
SecuROM Analysis File |