The X
按字母分类：
extension name file type Classification
SDN Shareware Distributors Network File Compressed file
SDO Signed Document encoding file
SDOC Samsung Memo data file
SDOC Sealed Word Document encoding file
SDOC Satra Khmer Document text file
SDP Session Description Protocol File data file
SDP StarOffice Presentation File data file
SDQ SAS Data File data file
SDR Dell Support File Other files
SDR SmartDraw Drawing raster image file
SDS MIDI Sample Dump Standard File audio file
SDS SDS Apps Data File data file
SDS OpenOffice.org Chart data file
SDSK SafeHouse Private Storage Volume disk image file
SDT Siemens Desktop Theme File System Files
SDT Electronic Arts Sound Data File audio file
SDT Grand Theft Auto 3 Audio File game files
SDT SmartDraw Template File page layout file
SDTID SecurID Soft Token File encoding file
SDV Studio DV Project File video file
SDW MrSID World File GIS file
SDW StarOffice Writer Text Document text file
SDX Kivuto Secure Download Manager File Other files
SDX Sample MIDI Dump Exchange audio file
SDZ Spring Content Package game files
SDZ NCI Compressed Database data file
SE Shuttle Document text file
SE1 Swiss Ephemeris Data File data file
SEA Self-Extracting Archive Compressed file
SEAM Seam Framework Java Servlet File web file
SEARCH-MS Windows Saved Search File Other files
SEARCHCONNECTOR-MS Windows Search Connector File System Files
SEB Safe Exam Browser Configuration File encoding file
SEC PGP Secret Key Ring Other files
SEC Samsung Security Video File video file
SEC GuinXell Video File video file
SECURE Septium Secure Document Other files
SECURITYSETTINGS Alpha Five Security Settings File settings file
SED IExpress Self Extraction Directive File settings file
SED Sed Script developer files
SEDPRJ Slideshow Studio Elements Project video file
SEED Linux Preseed File executable file
SEED SEED Data File data file
SEESTYLE Coda Style Sheet File settings file
SEF Encryptafile Signature File encoding file
SEF Password Manager Container File encoding file
SEG Eragon Audio File audio file
SEGY SEG-Y Data File GIS file
SEL LinkOne Selection List File data file
SELECTIONPORTFOLIOLIBRARY Painter Selection Portfolio Library Other files