SPL:
This extension can be one of the following:
- Compressed Archive File
- Digitrakker Sample
- Infinity Game Engine Spell (BioWare Corp.)
- Macromedia FutureSplash File
- Printer Spool File
- Sample File
- Shockwave Flash Object
- SoniqSync (SoniqCast, LLC)
- Sound
- Spell Checker
- sPlan Circuit Diagram (ABACOM Ingenieurbüro)
- Split Files Shell Extension
- Sprint Customized Printer Driver
- Sprint Printer Driver
