.GSM

.GSM file extension

This is the basic program to work with .GSM extension

QuickTime

QuickTimeGSM Audio

QuickTime is a media player that supports most common audio and video formats. It also comes with a basic image viewer that supports most popular image formats. It offers a simple GUI with basic buttons to play, seek, and adjust volume. It is a bit slow to open, but other than that it performs well during audio and video playback. It works great with HD and Full-HD videos... (more)

The program works with the following extensions: mp4, jpg, swf, png, mkv, avi, psd, bmp, mp3, gif, jpeg, mov, dv, au, qt, cel, mpe, jpe, smf, dif, rgb, smi, sgi, mpg, mpm, aif, flc, rmi, mpv, pct, sml, swa, fli, m2a, snd, mqv, pic, ulw, gsm, mmv, pls, vfw, kar, pnt, wav, qcp, m15, qti, 3g2, qht, m4e, m1v, m1a, 3gp, tif, tga, m2v, m1s, m3u, qtl, amc, mps, mid, m4a, qup, aac, rts, amr, xpl, m4b, qif, ac3, bwf, mac, mp2, m4p, sd2, caf, jp2, m4v, dib, sdp, mpa, m75, sdv, qtif, mpeg, smil, mpg4, aifc, aiff, pict, qhtm, moov, 3gp2, tiff, adts, mpga, 3gpp, midi, rtsp, cdda, pntg, targa, m3url and movie

.GSM extension is also supported by the following programs:

IrfanView

IrfanViewIrfanView NLM File

Freeware graphic image and media viewer and converter.
ACDSee

ACDSeeACDSee 8.0 GSM Video

Organize, edit, and share your photos with ease.
ArchiCAD

ArchiCADArchiCAD Object Library Part

eFax Messenger

eFax MessengereFax Messenger 4.3 Document

It allows you to to save, view and edit your faxes from any computer.
eFax Messenger Plus

eFax Messenger PluseFax Document

With eFax Messenger fax software, it's easy to save, view and edit your faxes.
GTA:SA Ultimate Editor

GTA:SA Ultimate EditorSan Andreas Mod Install File

Ultimate Editor can edit nearly every aspect of San Andreas.
Anritsu Master Software Tools

Anritsu Master Software ToolsMySQL Tools for

j2 Messenger

j2 Messengerj2 Messenger 3.5 Document

With j2Messenger you can save, view & edit your eFax faxes from any computer.
Adobe Acrobat Professional

Adobe Acrobat ProfessionalGSM Audio

Use Acrobat X to create high-impact PDF communications.
State Street - QuickTime

State Street - QuickTimeGSM Audio

Express Scribe

Express ScribeExpress Scribe Dictation File

Express Scribe Free assists in transcribing audio files.
Adobe Reader

Adobe ReaderGSM Audio

Adobe Reader is the most popular PDF file reader program.