The X
按字母分类：
extension name file type Classification
NB Nota Bene File text file
NDOC Naver Word text file
NFO Warez Information File text file
NGLOSS Nisus Writer Glossary text file
NJX NJStar Document text file
NOTE Notability Note File text file
NOTES Memento Notes File text file
NOW Readme File text file
NWCTXT NoteWorthy Composer Text File text file
NWM Nisus Macro text file
NWP Now Contact WP Document text file
OCR FAXGrapper Fax Text File text file
ODIF Open Document Interchange Format text file
ODM OpenDocument Master Document text file
ODO Online Operating System Write Document text file
ODT OpenDocument Text Document text file
OFL Ots File List text file
OPEICO Opeico Text File text file
OPENBSD OpenBSD Readme File text file
ORT Rich Text Editor Document text file
OTT OpenDocument Document Template text file
P7S Digitally Signed Email Message text file
PAGES Pages Document text file
PAGES-TEF Pages iCloud Document text file
PDPCMD Pdplayer Command File text file
PFX First Choice Word Processing Document text file
PLAIN Plain Text File text file
PLANTUML PlantUML File text file
PMO Pegasus Saved Message File text file
PRT Crypt Edit Protected Text Format File text file
PRT Printer Output File text file
PSW Pocket Word Document text file
PU PlantUML File text file
PVJ ProofVision Job Ticket text file
PVM Photo Video Manifest File text file
PWD Pocket Word Document text file
PWDP Password Pad Document text file
PWDPL Password Pad Lite Document text file
PWI Pocket Word Document text file
PWR PowerWrite Document text file
QDL QDL Program text file
QPF QuickPad Encrypted Document text file
QUID QuidProQuo Document text file
RAD Radar ViewPoint Radar Data text file
README Readme File text file
RFT Revisable Form Text Document text file
RIS Research Information Systems Citation File text file
RPT Generic Report text file
RST reStructuredText File text file
RTD RagTime Document text file