.SD2

.SD2 file extension

This is the basic program to work with .SD2 extension

QuickTime

QuickTimeSound Designer 2

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

.SD2 extension is also supported by the following programs:

ACDSee

ACDSeeACDSee 8.0 SD2 Video

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

WinampWinamp media file

Winamp player is designed to cover the large area of media file types.
SAS Enterprise Guide

SAS Enterprise GuideSAS Data Set

Sothink FLV Player

Sothink FLV PlayerWinamp media file

This program allows you to watch your FLV files without converting them.
jetAudio

jetAudioWinamp media file

JetAudio Basic is a video and music player but it also can burn CD's,record,etc.
Adobe Acrobat Professional

Adobe Acrobat ProfessionalSound Designer 2

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

State Street - QuickTimeSound Designer 2

Anole Media Player

Anole Media PlayerWinamp media file

Adobe Reader

Adobe ReaderSound Designer 2

Adobe Reader is the most popular PDF file reader program.