| File extension |
File description |
Developer/Producer |
| .q07 |
QuickTax 2007 Tax Return |
Intuit Canada |
| .q08 |
QuickTax 2008 Tax Return |
Intuit Canada |
| .q09 |
QuickTax 2009 Tax Return |
Intuit Canada |
| .q1 |
Winamp Equalizer Presets File |
Nullsoft |
| .q1q |
LunarCell Photoshop Plug-in |
Flaming Pear Software |
| .q2 |
Winamp Equalizer Auto-Load Presets File |
Nullsoft |
| .q2d |
Quick 3D Cover Design File |
Nervepreserve |
| .q2q |
Flexify Photoshop Plug-in |
Flaming Pear Software |
| .q3c |
Quick 3D Cover Project File |
Nervepreserve |
| .q3d |
Quest3D Project File |
Act-3D |
| .q4q |
Solar Cell Photoshop Plug-in |
Flaming Pear Software |
| .q5r |
Melancholytron Photoshop Plug-in |
Flaming Pear Software |
| .q7q |
India Ink Photoshop Plug-in |
N/A |
| .q8r |
Flood Photoshop Plug-in |
Flaming Pear Software |
| .q9r |
Glitterato Photoshop Plug-In |
Flaming Pear Software |
| .q9s |
Mr. Contrast Photoshop Plug-In |
Flaming Pear Software |
| .qar |
QlikView Extension |
QlikTech International |
| .qb2005 |
QuickBooks 2005 File |
Intuit |
| .qb2006 |
QuickBooks 2006 File |
Intuit |
| .qb2007 |
QuickBooks 2007 File |
Intuit |
| .qb2009 |
QuickBooks 2009 File |
Intuit |
| .qb2010 |
QuickBooks 2010 File |
Intuit |
| .qb2011 |
QuickBooks 2011 File |
Intuit |
| .qb2012 |
QuickBooks 2012 File |
Intuit |
| .qbb |
QuickBooks Backup File |
Intuit |
| .qbk |
QuickTax Backup File |
Intuit Canada |
| .qbm |
QuickBooks Portable Company File |
Intuit |
| .qbmb |
QuickBooks Backup File |
Intuit |
| .qbmd |
QuickBooks Backup File |
Intuit |
| .qbo |
QuickBooks Online Bank Statement File |
Intuit |
| .qbw |
QuickBooks Data File |
Intuit |
| .qbx |
QuickBooks Accountant Transfer File |
Intuit |
| .qc |
Half-Life Model Compiler Script |
Valve |
| .qcp |
PureVoice Audio File |
QUALCOMM |
| .qda |
Quadruple D Archive |
N/A |
| .qdat |
QuickTime Install Cache File |
Apple |
| .qdb |
Quicken 5 & 6 Data File |
Intuit |
| .qdf |
Quicken Data File |
Intuit |
| .qdf-backup |
Quicken Data Backup File |
Intuit |
| .qdfm |
Quicken Data File (Macintosh) |
N/A |
| .qdfx |
Quicken Financial Exchange File |
Intuit |
| .qdl |
QDL Program |
N/A |
| .qdp |
Quick and Dandy Plotter File |
NASA |
| .qds |
Windows Directory Query File |
Microsoft |
| .qdt |
Quicken 3 & 4 Data File |
Intuit |
| .qel |
Quicken Electronic Library |
Intuit |
| .qf |
Qompose Web Page Template |
Qompose |
| .qfx |
Quicken Financial Exchange File |
Intuit |
| .qic |
Windows Backup File |
Microsoft |
| .qif |
Quicken Interchange Format File |
Intuit |
| .qit |
QIT Trojan Horse File |
N/A |
| .qky |
Quirky Kernel |
N/A |
| .qlgenerator |
Quick Look Generator File |
Apple |
| .qm |
Qt Compiled Translation Source File |
Nokia |
| .qmg |
Samsung Theme Graphics File |
Samsung |
| .qmk |
YanCEyDesktop Quickmarks File |
YanCEyWare |
| .qpb |
QuickBooks Point of Sale Data File |
Intuit |
| .qpf |
Quartus II Project File |
Altera |
| .qph |
Quicken Price History File |
Intuit |
| .qpm |
Quick Pallet Maker Input Data |
Koona Software |
| .qpr |
FoxPro Generated Query Program |
N/A |
| .qpt |
QuarkXPress Project Template |
Quark Software |
| .qpw |
Quattro Pro Spreadsheet |
Corel |
| .qpx |
FoxPro Compiled Query Program |
Microsoft |
| .qrc |
Qt Resource Collection File |
Nokia |
| .qrm |
Qworum Message File |
Qworum |
| .qrp |
QuickReport File |
QBS Software |
| .qry |
Query File |
N/A |
| .qsd |
Quicken Data File |
Intuit |
| .qsf |
Qualtrics Survey File |
Qualtrics |
| .qss |
Qt Style Sheet |
Nokia |
| .qt |
Apple QuickTime Movie |
Apple |
| .qtch |
QuickTime Cache File |
Apple |
| .qti |
QuickTime Image File |
Apple |
| .qtif |
QuickTime Image File |
Apple |
| .qtindex |
Adobe QTIndex File |
Adobe Systems |
| .qtl |
QuickTime Link File |
Apple |
| .qtm |
Apple QuickTime Movie File |
Apple |
| .qtp |
QuickTime Preferences File |
Apple |
| .qtr |
QuickTime Extension Resource |
Apple |
| .qtx |
QuickTime Extension |
Apple |
| .qtz |
Quartz Composer File |
Apple |
| .qua |
Avira AntiVir Quarantined File |
Avira Operations |
| .quickenbackup |
Quicken Essentials for Mac Backup File |
Intuit |
| .quickendata |
Quicken Essentials for Mac Data File |
Intuit |
| .quiz |
Quobject Quiz Package |
Quobject Software |
| .quox |
Question Object File Format |
Quobject Software |
| .qvd |
QlikView Data File |
QlikTech International |
| .qvm |
Quake 3 Virtual Machine File |
id Software |
| .qvp |
ViewletBuilder Project File |
Qarbon |
| .qvpp |
QlikView Extension Properties Page File |
QlikTech International |
| .qvt |
QlikView Theme File |
QlikTech International |
| .qvw |
QlikView Document |
QlikTech International |
| .qv~ |
ViewletBuilder Project Backup File |
Qarbon |
| .qwd |
QuakeWorld Demo File |
N/A |
| .qwq |
OpenQwaq Auto-Launch File |
OpenQwaq |
| .qx |
Quexal Source Code |
Tommesani |
| .qxb |
QuarkXPress Book File |
Quark Software |
| .qxd |
QuarkXPress Document |
Quark Software |
| .qxf |
Quicken Essentials for Mac Exchange File |
Intuit |
| .qxl |
QuarkXPress Library |
Quark Software |
| .qxp |
QuarkXPress Project File |
Quark Software |
| .qxt |
QuarkXPress Template |
Quark Software |
