List of filename extensions (M–R)
Ext Description Used by
Q0 Q0 graphic file
Q3S Data Quick3D Scene
QAG Quick Access Group Norton Desktop
QAP Application Omnis Quartz - Omnis Studio
QB Tony Hawk 's Pro Skater series scripting files
QBB Quickbooks Backup File
QBE Saved query ( Query By Example ) dBASE IV - Quattro Pro
QBO Compiled query dBASE IV
QBW Spreadsheet QuickBooks for Windows
QCH Qt Compressed Help Trolltech Qt Assistant
QCP Mp3 extension on Motorola ringtones Motorola Phones
QDF Data file Quicken data file
QDK Backup of startup files created by Optimize QEMM
QDn Data file - segment n Omnis Quartz- Omnis Studio
QDV Graphics file Steve Blackstock Giffer
QDR Configuration file Q-Dir
QEF Query file Q+E for Microsoft Excel
QFP QUICKfind Server Plug-in IDM QUICKfind Server
QFX Quicken-specific implementation of the OFX specification Intuit Quicken
QFX Fax QuickLink
Q
This alphabetical list of filename extensions contains standard extensions associated with computer files.