The X
按字母分类：
extension name file type Classification
DOCX Microsoft Word Open XML Document text file
DOCXML Microsoft Word XML Document text file
DOCZ ThinkFree Online Note Document text file
DOX MultiMate Document text file
DROPBOX Dropbox Shared Folder Tracker text file
DSC Text Description File text file
DVI Device Independent Format File text file
DWD DavkaWriter File text file
DX DEC WPS Plus File text file
DXB Duxbury Braille File text file
DXP Duxbury Print File text file
EIO Yozo Office File text file
EIT Yozo Office Template File text file
EMF Jasspa MicroEmacs Macro File text file
EML E-Mail Message text file
EMLX Apple Mail Message text file
EMULECOLLECTION eMule Data File text file
EPP EditPad Pro Project text file
ERR Error Log File text file
ERR FoxPro Compilation Error text file
ETF ENIGMA Transportable File text file
ETX Structure Enhanced Text (Setext) File text file
EUC Extended Unix Code File text file
FADEIN.TEMPLATE Fade In Template text file
FAQ Frequently Asked Questions Document text file
FBL CADfix Command Level Log File text file
FCF Final Draft Converter File text file
FDF Acrobat Forms Data Format text file
FDR Final Draft Document text file
FDS Final Draft Secure Copy text file
FDT Final Draft 5-7 Template text file
FDX Final Draft Document text file
FDXT Final Draft 8 Template text file
FFT Final Form Text File text file
FGS Fig Figure Settings File text file
FLR Flare Decompiled ActionScript File text file
FODT OpenDocument Flat XML Document text file
FOUNTAIN Fountain Script File text file
FPT FoxPro Table Memo text file
FRT FoxPro Report Memo text file
FWDN fWriter Document text file
GMD GroupMail Message text file
GPD Generic Printer Description File text file
GPN GlidePlan Map Document text file
GSD General Station Description File text file
GTHR Gather Log File text file
GV Graphviz DOT File text file
HBK Mathcad Handbook File text file
HHT Help and Support Center HHT File text file
HS Java HelpSet File text file