The X
按字母分类：
extension name file type Classification
FDI Amiga Disk Image disk image file
FDM Exchange Forms Designer Form Message data file
FDP MySafe Encrypted Data Compressed file
FDP FMOD Project File audio file
FDR Windows Error Report File Other files
FDR Final Draft Document text file
FDS Nintendo FDS ROM game files
FDS FME Custom Format File GIS file
FDS Final Draft Secure Copy text file
FDT Final Draft 5-7 Template text file
FDT Lucene Field Data File data file
FDT FormDocs Template page layout file
FDT Impromptu Function Description Table File data file
FDX Final Draft Document text file
FDX Food Data Exchange File data file
FDXT Final Draft 8 Template text file
FEA AFDKO Feature Definitions File font file
FEATURE SharePoint Feature File developer files
FEEDBACK Expression SketchFlow Feedback File Other files
FES Fileless Occurrence Placeholder data file
FETCHMIRROR Fetch Mirror Document settings file
FETCHSHORTCUTS Fetch Shortcut List FIle data file
FEV FMOD Audio Events File audio file
FEV FLAMES Environment Variable File settings file
FEY FCS Express Layout File page layout file
FE_LAUNCH FCS Express Launch File settings file
FF Call of Duty 4 Fast File game files
FFA Find Fast Status File System Files
FFD FATE Saved Game game files
FFD ffDiaporama Project File video file
FFD Flat File Descriptor data file
FFD SharePoint FFDDumper Log data file
FFF Hasselblad RAW Image camera raw files
FFF Gravis UltraSound Sound Bank audio file
FFF MAGGI Face File data file
FFIL Mac Font Suitcase font file
FFINDEX FFmpegSource2 Media Index data file
FFL Fetion Emoticons Package Other files
FFL Find Fast Document List System Files
FFM FFmpeg Stream File video file
FFO Find Fast Document Properties Cache System Files
FFO Adobe Photoshop File Information File data file
FFS FME Desktop Feature Store File GIS file
FFT Adobe Audition Noise Print File plugin file
FFT Final Form Text File text file
FFU Full Flash Update Image File Other files
FFWP FormsForWeb Packet data file
FFX After Effects Preset File settings file
FFX Microsoft Find Fast Index System Files
FG FaceGen Project File 3D image file