.SD2

.SD2 file extension

This is the basic program to work with .SD2 extension

QuickTime

QuickTime Sound Designer 2

Includes support for the key media formats, such as H.264 and AAC. The QuickTime web browser plug-in is no longer installed by default and is removed if you have a previous version of QuickTime on your PC. If you still need this legacy plug-in, you can add it back using the custom setup option in the installer... (more)

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

.SD2 extension is also supported by the following programs:

ACDSee

ACDSee ACDSee 8.0 SD2 Video

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

Winamp Winamp media file

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

SAS Enterprise Guide SAS Data Set

Sothink FLV Player

Sothink FLV Player Winamp media file

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

jetAudio Winamp media file

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

Adobe Acrobat Professional Sound Designer 2

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

State Street - QuickTime Sound Designer 2

Anole Media Player

Anole Media Player Winamp media file

Adobe Reader

Adobe Reader Sound Designer 2

Adds annotations to documents using a complete set of commenting features.