Computer "S" file extensions
Updated: 06/30/2019 by Computer Hope
Below is a listing of each of the different file extensions that begin with the letter "S." If you are looking for a file extension that starts with a different letter, click on the corresponding beginning letter below.
|.SAV||File that usually contains saved information such as a saved game.|
|.SC2||Maps used in Sim City 2000.|
|.SCP||Dial-up Networking script file.|
|.SCR||1. Screen saver.
2. Source files for the .INI files.
|.SCT||Windows script component.|
|.SD||Sound Designer I audio file.|
|.SD2||1. Sound Designer II flattened file.
2. Sound Designer II data fork file.
3. SAS database file.
|.SDA||1. StarOffice drawing file.
2. SoftCuisine data archive.
|.SDF||1. Standard data format file.
2. Schedule data file.
3. System file format file.
4. Autodesk mapguide spatial data file.
|.SDK||Roland S-series floppy disk image.|
|.SDS||StarOffice chart file and raw MIDI sample dump standard file.|
|.SDV||Semicolon divided value file.|
|.SDW||Sun Microsystems StarOffice file document file similar to the Microsoft Office .DOC file.|
|.SDX||MIDI sample dump standard files compacted by SDX.|
|.SE||Shuttle Lightweight markup language file.|
|.SEA||Compressed file used with Apple Macintosh computers and Stuffit that is extracted and used with compression utilities.|
|.SFF||Structured fax file.|
|.SFV||Stores checksum data for an associated file, noting the type of data stored in the associated file.|
|.SFW||Seattle Film Works file.|
|.SGI||Silicon Graphics file.|
|.SH3||Harvard (now Serif) presentation file.|
|.SHB||1. Corel background file.
2. Microsoft Shell scrap object.
|.SHG||Hotspot editor hypergraphic.|
|.SHK||Apple Macintosh compressed archive file.|
|.SHM||WordPerfect shell macro.|
|.SHP||3D Studio Shapes file and other 3D related files.|
|.SHS||Shell scrap object file.|
|.SHTML||See the SHTML definition.|
|.SHW||1. Corel presentation.
2. WordPerfect slide show.
3. Show file.
|.SID||LizardTech's SID wavelet file.|
|.SIT||A compressed file often used with Apple Macintosh computers and Stuffit that is extracted and used with compression utilities.|
|.SITX||A compressed file often used with Apple Macintosh computers and Stuffit that is extracted and used with compression utilities.|
|.SLK||1. Multiplan file.
2. Microsoft Excel symbolic link.
|.SMIL||A synchronized multimedia media file associated with Real Player.|
|.SND||1. Sound clip file.
2. AKAI MPC-series sample.
3. NeXT sound file.
4. Macintosh sound resource file.
5. Raw unsigned PCM data.
|.SNM||Netscape mail file.|
|.SNO||SNOBOL program file.|
|.SNP||1. Microsoft Access snapshot file
2. SQL compare file
3. Snapview snapshot file.
|.SPD||A scalable font file.|
|.SRF||Digital camera RAW file format.|
|.SRT||Contains subtitle information in the SubRip file format, and supported by DivX and DVD video formats.|
|.STP||3-D assembly file, used to transfer 3-D graphics between CAD programs.|
|.SUN||Sun raster graphic file.|
|.SWF||Macromedia Flash file.|
|.SWP||With Windows a .SWP is an extension used for the Windows swap file usually win386.swp. This file is required by Windows and can grow very large in size sometimes up to several hundred megs. This file is used to swap information between currently running programs and memory. If this file is deleted from the computer Windows will be unable to load and need to be reinstalled.
In Linux and with the VIM editor the .swp file extension is a temporary save for a file currently being edited. This file should be deleted automatically when the file is closed in VIM.
|.SXC||A StarOffice/OpenOffice spreadsheet file extension.|
|.SYS||System and peripheral drivers.|