.gsm
| File Type 1 |
 Global System for Mobile Audio |
| File Format |
Standard (developed by European Telecommunications Standards Institute) |
| Usage |
Open manually |
| Popularity |
★ ★ ★ ☆ ☆ Average |
| Description |
Audio format designed for telephony use in Europe; optimized for recording vocal audio, such as a telephone conversation.
|
| Open With |
| Windows |
 VideoLAN VLC media player
 SoX
 FFmpeg
|
| macOS |
VideoLAN VLC media player SoX FFmpeg |
| Unix |
VideoLAN VLC media player SoX FFmpeg |
|
| Updated |
2007 |
| File Type 2 |
 Graphic Description Language File |
| File Format |
Standard |
| Usage |
Open manually |
| Popularity |
★ ★ ☆ ☆ ☆ Uncommon |
| Description |
3D object that is defined using the Graphic Description Language (GDL), a standard method of describing three-dimensional shapes; recognized by ArchiCAD and other Building Information Modeling (BIM) applications.
|
| Open With |
| Windows |
 Graphisoft Archicad
|
| macOS |
Graphisoft Archicad |
|
| Updated |
2007 |
| File Type 3 |
US Robotics GSM Audio File |
| Popularity |
★ ☆ ☆ ☆ ☆ Rare |
| Description |
Audio format used to transfer voice over a modem; used by the GSM QuickLink, VoiceGuide, and RapidComm models; sometimes used for audio faxes.
|
| Open With |
| Windows |
 j2 Global Communications eFax
|
| macOS |
j2 Global Communications eFax |
| Unix |
j2 Global Communications eFax |
|
| Updated |
2007 |
|
