QAD
Document (PF QuickArt)
QAG
Quick Access Group data file (Norton Desktop)
QAP
Application file (Omnis Quartz)
QBE
Saved query (dBase IV)
QBE
Saved Query (Quattro Pro)
QBO
Compiled query (dBase IV)
QBS
Program file (Microsoft QuickBasic)
QBW
Spreadsheet data (QuickBooks for Windows)
QD0
Data file-segment 10 (Omnis Quartz)
QD1
Data file segment 1 (Omnis Quartz)
QD2
Data file segment 2 (Omnis Quartz)
QD3
Data file segment 3 (Omnis Quartz)
QD3D
QuickDraw 3D Metafile (Apple)
QD4
Data file segment 4 (Omnis Quartz)
QD5
Data file segment 5 (Omnis Quartz)
QD6
Data file segment 6 (Omnis Quartz)
QD7
Data file segmnet 7 (Omnis Quartz)
QD8
Data file segment 8 (Omnis Quartz)
QD9
Data file segment 9 (Omnis Quartz)
QDK
Backup of startup files (QEMM)
QDT
Data file from the Quicken UK Accountancy/Tax/Invoice program (QuickBooks)
QDV
Graphics file (Steve Blackstock Giffer)
QEF
Query file (Microsoft Excel)
QFL
Document (FAMILY LAWYER)
QFX
Fax (QuickLink)
QIC
Backup file (Microsoft)
QIF
Image (MIME)(QuickTime)
QIF
Import file (Quicken)
QLB
Library file (Quick)
QLB
Library file (Microsoft C/C++)
QLC
Data (PostScript help file)
QLP
Printer driver (QuickLink)
QM
Motion file (Quality)
QM4
Option or services file (QMail 4.x Mail Door)
QPR
Generated query program (Microsoft FoxPro)
QPR
Print queue device driver (OS/2)
QPX
Compiled query program (Microsoft FoxPro)
QQT
Qardware definition file (Quick Qard Technology)
QRS
Equation Editor support file (Microsoft WordPerfect for Windows)
QRT
QRT graphics file (Ray Tracer)
QRY
Query (Microsoft)
QRY
Query (dBase IV)
QST
Tab file (Quake Spy)
QT
Movie file (QuickTime)
QTI
Image file (QuickTime)
QTIF
Image file (QuickTime)
QTM
Movie file (QuickTime)
QTP
Preferences file (QuickTime)
QTS
PICT image file (Macintosh)
QTS
Image file (QuickTime)
QTX
Image file (QuickTime)
QW
Write program file (Symantec Q&A)
QWK
Message file (QWK Reader)
QXD
Data file (Quark Xpress)
QXL
Element library (Quark Xpress)
QXT
Template file (Quark Xpress)