The X
按字母分类：
extension name file type Classification
DCA DisplayWrite Document text file
DEL Delimited ASCII File text file
DFTI FlexiWrite Document text file
DGS Dagesh Pro Document text file
DIZ Description in Zip File text file
DNE Netica Text File text file
DOC Microsoft Word Document text file
DOC WordPad Document text file
DOC Microsoft Word Document text file
DOC WordPad Document text file
DOCM Word Open XML Macro-Enabled Document text file
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