| # |
File extension |
Developer |
| 0 |
.Q0 - Japanese Q0 Bitmap Image |
N/A |
| 1 |
.Q00 - Quicken 2000 |
Intuit Inc. |
| 2 |
.Q01 - Quicken 2001 |
Intuit Inc. |
| 3 |
.Q06 - QuickTax 2006 |
Intuit Canada Limited |
| 4 |
.Q07 - QuickTax 2007 Tax Return Format |
Intuit Canada |
| 5 |
.Q08 - QuickTax 2008 Tax Return Format |
Intuit Canada |
| 6 |
.Q09 - QuickTax 2009 Tax Return Format |
Intuit Canada |
| 7 |
.Q1 - Winamp Equalizer Preset Format |
Nullsoft |
| 8 |
.Q1Q - LunarCell Adobe Photoshop Plug-in Format |
Flaming Pear Software |
| 9 |
.Q2 - Winamp Auto-load Preset Format |
Nullsoft |
| 10 |
.Q2D - Quick3DCover Design Format |
Nervepreserve |
| 11 |
.Q2PLUG - Quake 2 For Mac Game |
id Software LLC |
| 12 |
.Q2Q - Flexify Adobe Photoshop Plug-in Format |
Flaming Pear Software |
| 13 |
.Q2RENDERER - Quake 2 For Mac Renderer Extension |
id Software LLC |
| 14 |
.Q3C - Quick3DCover Project Format |
Nervepreserve |
| 15 |
.Q3D - Quickdraw 3D Format |
Act-3D |
| 16 |
.Q3X - QuickDraw 3D Extension |
Apple, Inc. |
| 17 |
.Q4Q - Solar Cell Adobe Photoshop Plug-in Format |
Flaming Pear Software |
| 18 |
.Q5Q - SuperBladePro Preset |
N/A |
| 19 |
.Q5R - Melancholytron Adobe Photoshop Plug-in Format |
Flaming Pear Software |
| 20 |
.Q7Q - India Ink Plug-in Format |
N/A |
| 21 |
.Q8R - Flood Adobe Photoshop Plug-in Format |
Flaming Pear Software |
| 22 |
.Q98 - Quicken 98 |
Intuit Inc. |
| 23 |
.Q9R - Glitterato Adobe Photoshop Plug-in Format |
Flaming Pear Software |
| 24 |
.Q9S - Mr. Contrast Adobe Photoshop Plug-in Format |
Flaming Pear Software |
| 25 |
.QAD - Corel WordPerfect Office Thumbnail |
Corel Corporation |
| 26 |
.QAG - Norton Desktop Quick Access Group |
Symantec Corporation |
| 27 |
.QAP - Omnis Quartz Application |
TigerLogic Corp. (Omnis Technology Corporation) |
| 28 |
.QAR - QlikView Plug-in Format |
QlikTech International |
| 29 |
.QAT - Microsoft Office Quick Access Toolbar Info |
Microsoft Corporation |
| 30 |
.QB - Diploma Question |
Wimba, Inc. |
| 31 |
.QB1 - Quicken Data |
Intuit Inc. |
| 32 |
.QB2005 - QuickBooks 2005 For Mac Backup Format |
Intuit |
| 33 |
.QB2006 - QuickBooks 2006 For Mac Backup Format |
Intuit |
| 34 |
.QB2007 - QuickBooks 2007 For Mac Backup Format |
Intuit |
| 35 |
.QB2008 - Quickbook 2009 For Mac Backup |
Intuit Inc. |
| 36 |
.QB2009 - QuickBooks 2009 For Mac Backup Format |
Intuit |
| 37 |
.QB2010 - QuickBooks 2010 For Mac Backup Format |
Intuit |
| 38 |
.QB2011 - QuickBooks 2011 For Mac Backup Format |
Intuit |
| 39 |
.QB2012 - QuickBooks 2012 For Mac Backup Format |
Intuit |
| 40 |
.QB2013 - QuickBooks 2013 For Mac Backup |
Intuit Inc. |
| 41 |
.QB2014 - QuickBooks For Mac 2014 Backup |
Intuit Inc. |
| 42 |
.QBA - QuickBooks Accountant Review Copy |
Intuit Inc. |
| 43 |
.QBB - QuickBooks Backup Format |
Intuit |
| 44 |
.QBD - Quicken Keyboard Layout |
Intuit Inc. |
| 45 |
.QBE - Corel Quattro Pro Saved Query |
Corel Corporation |
| 46 |
.QBI - QuickBooks Image |
Intuit Inc. |
| 47 |
.QBK - QuickTax Backup Format |
Intuit Canada |
| 48 |
.QBL - Business Lawyer Document |
Brøderbund Software, Inc. |
| 49 |
.QBM - QuickBooks Portable Company Format |
Intuit |
| 50 |
.QBMB - QuickBooks Backup Format |
Intuit |
| 51 |
.QBMD - QuickBooks Backup Format |
Intuit |
| 52 |
.QBO - QuickBooks Online Bank Statement Format |
Intuit |
| 53 |
.QBP - QuickBooks Printer |
Intuit Inc. |
| 54 |
.QBQUERY - MySQL Query Browser Saved SQL Query Command |
MySQL AB |
| 55 |
.QBR - Quickbooks Report Template |
Intuit Inc. |
| 56 |
.QBT - QuicBooks Temporary Rebuild |
Intuit Inc. |
| 57 |
.QBW - QuickBooks Company Format |
Intuit |
| 58 |
.QBX - QuickBooks Accountant Transfer Format |
Intuit |
| 59 |
.QBY - Quickbooks Accountants Import |
Intuit Inc. |
| 60 |
.QC - Quake C Script Format |
Valve |
| 61 |
.QC-EMOD - QuadraComposer Audio |
N/A |
| 62 |
.QCD - QuarkXpress Article |
Quark, Inc. |
| 63 |
.QCF - Microsoft QBasic Coordinates |
Microsoft Corporation |
| 64 |
.QCH - Quicken DOS Data |
Intuit Inc. |
| 65 |
.QCI - Massively Parallel Quantum Chemistry Program |
SourceForge.net |
| 66 |
.QCK - Jigsaw 2 Astrological Tool |
N/A |
| 67 |
.QCN - Qualcomm QPST Drive Backup |
QUALCOMM Incorporated |
| 68 |
.QCOW - QEMU Copy-On-Write |
David T Reynolds |
| 69 |
.QCOW2 - QEMU Copy-On-Write |
David T Reynolds |
| 70 |
.QCP - Qualcomm PureVoice QCELP Recorder And Player Voice Format |
QUALCOMM |
| 71 |
.QCT - QuarkXpress Article Template |
Quark, Inc. |
| 72 |
.QD0 - Omnis Quartz Segment 10 Data |
N/A |
| 73 |
.QD1 - Omnis Quartz Segment 1 Data |
N/A |
| 74 |
.QD2 - Omnis Quartz Segment 2 Data |
N/A |
| 75 |
.QD3 - Omnis Quartz Segment 3 Data |
N/A |
| 76 |
.QD3D - QuickDraw 3D Meta |
Apple, Inc. |
| 77 |
.QD4 - Omnis Quartz Segment 4 Data |
N/A |
| 78 |
.QD5 - Omnis Quartz Segment 5 Data |
N/A |
| 79 |
.QD6 - Omnis Quartz Segment 6 Data |
N/A |
| 80 |
.QD7 - Omnis Quartz Segment 7 Data |
N/A |
| 81 |
.QD8 - Omnis Quartz Segment 8 Data |
N/A |
| 82 |
.QD9 - Omnis Quartz Segment 9 Data |
N/A |
| 83 |
.QDA - Quadruple D Archive Format |
N/A |
| 84 |
.QDAT - Quicktime Installer Cache |
Apple |
| 85 |
.QDB - Quicken Backup Format |
Intuit |
| 86 |
.QDC - Quick Devis Database |
Quotalys Ltd. |
| 87 |
.QDF - Quicken Financial Data Format |
Intuit |
| 88 |
.QDF-BACKUP - Quicken Financial Data Backup Format |
Intuit |
| 89 |
.QDFM - Quicken For Mac Data Format |
N/A |
| 90 |
.QDFX - Quicken Essentials For Mac Financial Data Exchange Format |
Intuit |
| 91 |
.QDI - Quicken Dictionary Data |
Intuit Inc. |
| 92 |
.QDK - QEMM Startups Backup |
Symantec Corporation |
| 93 |
.QDL - QDL Source Code Format |
N/A |
| 94 |
.QDLX - Quicken For Mac Data |
Intuit Inc. |
| 95 |
.QDM - FsQCA Data |
N/A |
| 96 |
.QDP - MPQDraft Plugin Format |
NASA |
| 97 |
.QDR - Q-Dir Configuration |
N/A |
| 98 |
.QDS - Windows Directory Query Format |
Microsoft |
| 99 |
.QDT - QuarkXpress Auxiliary Dictionary Format |
Quark, Inc. |
| 100 |
.QDV - Random Dot QDV Bitmap Image |
N/A |
| 101 |
.QE4 - Kingpin Life Of Crime Settings |
Interplay Entertainment Corporation |
| 102 |
.QED - Memory-Map Navigator Map |
Memory-Map, Inc. |
| 103 |
.QEF - Microsoft Excel Query |
Microsoft Corporation |
| 104 |
.QEL - Quicken Electronic Library Format |
Intuit |
| 105 |
.QEM - ExpensAble Report |
ExpensAble |
| 106 |
.QES - Askiadesign Questionnaire |
Askia SAS |
| 107 |
.QEX - ExpensAble Data |
ExpensAble |
| 108 |
.QF - Nokia (Ovi) Maps Version Format |
Qompose |
| 109 |
.QFC - QuickFileCollection Archive |
George Lyapko |
| 110 |
.QFD - Quicken Data |
Intuit Inc. |
| 111 |
.QFI - Quicken 2002 Data |
Intuit Inc. |
| 112 |
.QFILTER - Mac OS X ColorSync Filter |
Apple, Inc. |
| 113 |
.QFL - Family Lawyer Document |
Brøderbund Software, Inc. |
| 114 |
.QFN - Apple QuickTime Font |
Apple, Inc. |
| 115 |
.QFP - Quicken Financial Planner Add-on |
N/A |
| 116 |
.QFS - Need For Speed Tracks Trk000 |
Electronic Arts, Inc. |
| 117 |
.QFX - Quicken Financial Exchange Format |
Intuit |
| 118 |
.QGIS - Quantum GIS Project |
Quantim GIS project team |
| 119 |
.QGS - Quantum GIS Project |
Quantim GIS project team |
| 120 |
.QHC - Qt Help Collection |
Digia Oyj |
| 121 |
.QHCP - Qt Help Collection Project |
Digia Oyj |
| 122 |
.QHF - QIP Saved History |
Ilgam Zulkorneev |
| 123 |
.QHP - Qt Help Project |
Digia Oyj |
| 124 |
.QHT - Apple QuickTime HTML |
Apple, Inc. |
| 125 |
.QHTM - Apple QuickTime HTML |
Apple, Inc. |
| 126 |
.QIC - Microsoft Windows 95/98 Backup Format |
Microsoft |
| 127 |
.QID - Quicken |
Intuit Inc. |
| 128 |
.QIF - Quicken Interchange Format |
Intuit |
| 129 |
.QIN - CARE-S InfoWorks Inflow |
SINTEF |
| 130 |
.QIP - QIP Infium Account |
Ilgam Zulkorneev |
| 131 |
.QIT - Backdoor.QIT Trojan Horse Format |
N/A |
| 132 |
.QIX - Quicken DOS Data |
Intuit Inc. |
| 133 |
.QKEX - QuicKeys Mac Extension |
Startly Technologies, LLC. |
| 134 |
.QKPT - KaleidaGraph |
Synergy Software |
| 135 |
.QKR - Quickr Attachment Link |
IBM |
| 136 |
.QKT - Microsoft Works |
Microsoft Corporation |
| 137 |
.QKY - Linux Quirky Kernel Format |
N/A |
| 138 |
.QL - Qedit |
Robelle |
| 139 |
.QLB - Microsoft QuickBasic Library |
Microsoft Corporation |
| 140 |
.QLC - Adobe PostScript Help |
Adobe Systems Incorporated |
| 141 |
.QLD - MassLynx Quantation Data |
Waters |
| 142 |
.QLGENERATOR - Apple Quicklook Plug-in Format |
Apple |
| 143 |
.QLI - Statler Stitcher |
Gammil, Inc. |
| 144 |
.QM - Qt Compiled Translation Source Format |
Nokia |
| 145 |
.QM3 - Articulate Quizmaker Compressed |
Articulate Global, Inc. |
| 146 |
.QM4 - Qmail Options Or Services |
N/A |
| 147 |
.QMA - Qedit |
Robelle |
| 148 |
.QMB - Quick Menu Builder Saved |
Matthieu Godon |
| 149 |
.QMBL - LabQuest Results |
Vernier Software & Technology |
| 150 |
.QMD - Quicken Win Version 5/6 Backup |
Intuit Inc. |
| 151 |
.QME - Quicken Win Version 3 |
Intuit Inc. |
| 152 |
.QMETHOD - AB SCIEX MultiQuant Quantitation Method |
AB SCIEX |
| 153 |
.QMF - IBM Lotus Approach Database Query |
IBM |
| 154 |
.QMG - Samsung Theme Picture Image File - Qmage File Format |
Samsung |
| 155 |
.QMK - YanCEyDesktop Bookmark Format |
YanCEyWare |
| 156 |
.QML - Quicken DOS Data |
Intuit Inc. |
| 157 |
.QMP - SeeYou Raster Map |
Naviter d.o.o. |
| 158 |
.QMSB - Questionmark Secure |
Questionmark |
| 159 |
.QMT - Quicken Memory List |
Intuit Inc. |
| 160 |
.QMTF - Intuit Quicken Data |
Intuit Inc. |
| 161 |
.QNT - Chromeleon Quantification Method |
Dionex Corporation |
| 162 |
.QNX - Quicken Index |
Intuit Inc. |
| 163 |
.QOB - QuickBooks 2010 Pro |
Intuit Inc. |
| 164 |
.QOT - Sierra Print Artist Quotes |
Sierra Entertainment, Inc. |
| 165 |
.QP03 - Qpress Compressed Archive |
N/A |
| 166 |
.QP1 - QuickPar Cache |
Peter B. Clements |
| 167 |
.QP2 - QuickPar Cache |
Peter B. Clements |
| 168 |
.QPA - Quicktime Player Addition |
Apple, Inc. |
| 169 |
.QPB - Quicken Payroll Format |
Intuit |
| 170 |
.QPC - KaleidaGraph Plot |
Synergy Software |
| 171 |
.QPCT - KaleidaGraph Plot |
Synergy Software |
| 172 |
.QPD - Quicken QuickPay Windows 3.0 Add-on |
N/A |
| 173 |
.QPF - Quartus II Project Format |
Altera |
| 174 |
.QPH - Intuit Quicken Price History Format |
Intuit |
| 175 |
.QPI - Quicken Win Version 3 |
Intuit Inc. |
| 176 |
.QPJ - Quantum GIS Project |
Quantim GIS project team |
| 177 |
.QPL - KaleidaGraph Layout |
Synergy Software |
| 178 |
.QPM - Quick Pallet Maker Input Data Format |
Koona Software |
| 179 |
.QPR - FoxPro Database Query |
N/A |
| 180 |
.QPROJ - FreeQ IDE Project |
FreeQ Development team |
| 181 |
.QPS - Timeasure |
QP Software Limited |
| 182 |
.QPT - QuarkXPress Project Template Format |
Quark Software |
| 183 |
.QPW - Corel Quattro Pro Spreadsheet Format |
Corel |
| 184 |
.QPX - FoxPro Compiled Executable QBE Query Format |
Microsoft |
| 185 |
.QQ - BLU Archive |
Andy Nicholas |
| 186 |
.QQQ - TotalFix Fixed AVI |
TotalFix team |
| 187 |
.QR2 - Delphi Database Quick Report |
Embarcadero Technologies, Inc. |
| 188 |
.QRC - Qt Resource Collection Format |
Nokia |
| 189 |
.QRF - QR Form |
PJ Applications |
| 190 |
.QRM - Qworum Message Format |
Qworum |
| 191 |
.QRP - Dr. Hardware Format |
QBS Software |
| 192 |
.QRS - Corel WordPerfect Equation Editor Support |
Corel Corporation |
| 193 |
.QRT - Qrt Ray-Tracer Ray-traced Bitmap Image |
N/A |
| 194 |
.QRY - Database Query Format |
N/A |
| 195 |
.QSC - Kaleidagraph Script |
Synergy Software |
| 196 |
.QSD - Quicken Data Format |
Intuit |
| 197 |
.QSESSION - AB SCIEX MultiQuant Quantitation Session |
AB SCIEX |
| 198 |
.QSF - Qualtrics Survey Format |
Qualtrics |
| 199 |
.QSK - Quintessential Player Skin |
Quinnware |
| 200 |
.QSP - QSetup Installation Suite |
Pantaray Research |
| 201 |
.QSR - CARE-S InfoWorks Water Quality Simulation Results |
SINTEF |
| 202 |
.QSS - Nokia Qt Style Sheet Format |
Nokia |
| 203 |
.QST - Ami Pro Quickstart Tutorial Image |
IBM |
| 204 |
.QSTY - KaleidaGraph Style |
Synergy Software |
| 205 |
.QSU - Zelda Classic Quest |
Armaggedon Games |
| 206 |
.QSV - Jigs@w Saved Puzzle State |
Tibo Software |
| 207 |
.QSX - QuickSurf |
RockWare, Inc. |
| 208 |
.QT - Apple QuickTime Movie Clip |
Apple |
| 209 |
.QTB - ExamView QuickTake Question Bank |
eInstruction |
| 210 |
.QTC - Apple QuickTime Support |
Apple, Inc. |
| 211 |
.QTCH - Apple QuickTime Cached Format |
Apple |
| 212 |
.QTF - Qtracker Filter |
Ronald E. Mercer |
| 213 |
.QTI - Apple QuickTime Image Format |
Apple |
| 214 |
.QTIF - Apple QuickTime Image Format |
Apple |
| 215 |
.QTINDEX - Adobe QTIndex Format |
Adobe Systems |
| 216 |
.QTK - Apple QuickTake Picture Image |
N/A |
| 217 |
.QTL - YUV SECAM Or PAL Image |
Apple |
| 218 |
.QTM - Apple QuickTime Movie Format |
Apple |
| 219 |
.QTP - Apple QuickTime Preferences Format |
Apple |
| 220 |
.QTR - Apple QuickTime Extension Resource Format |
Apple |
| 221 |
.QTS - QuickTime System |
Apple, Inc. |
| 222 |
.QTV - QuickTime Virtual Reality |
Apple, Inc. |
| 223 |
.QTVR - QuickTime VR |
Apple, Inc. |
| 224 |
.QTX - Quicken Data Format |
Apple |
| 225 |
.QTXS - Apple QuickTime |
Apple, Inc. |
| 226 |
.QTZ - QuaSZ Texture Format |
Apple |
| 227 |
.QU2 - GPS2WorldWind Database |
Stephan Kaufmann |
| 228 |
.QUA - Avira AntiVir Format |
Avira Operations |
| 229 |
.QUAD - QUAD Compressed Archive |
SourceForge.net |
| 230 |
.QUALSOFTCODE - Speedy Browser Code Archive |
J&ASoft |
| 231 |
.QUD - QuarkXpress Auxiliary Dictionary |
Quark, Inc. |
| 232 |
.QUE - CuteFTP Queue |
GlobalSCAPE, Inc. |
| 233 |
.QUESTTEMPLATE - Starbound Quest Template |
Chucklefish LTD |
| 234 |
.QUI - Orgadata LogiKal |
Orgadata AG |
| 235 |
.QUICKBOOKSAUTODATARECOVERY - QuickBooks Auto Recovery |
Intuit Inc. |
| 236 |
.QUICKENBACKUP - Quicken Essentials For Mac Financial Data Backup Format |
Intuit |
| 237 |
.QUICKENDATA - Quicken Essentials For Mac Financial Data Format |
Intuit |
| 238 |
.QUICKTIMECOMPONENTS - Mac OS X System |
Apple, Inc. |
| 239 |
.QUIZ - Quizmaker 09 To 13 Quiz Format |
Quobject Software |
| 240 |
.QUIZTEMPLATE - Articulate Studio Quizmaker |
Articulate Global, Inc. |
| 241 |
.QUO - ESignal Qoute |
eSignal |
| 242 |
.QUOX - Quobject Format |
Quobject Software |
| 243 |
.QUP - QuickTime Update Package |
Apple, Inc. |
| 244 |
.QUT - IBM Voice Type Languages Vocable |
IBM |
| 245 |
.QVD - Quaanta Interactive Media Desktop Format |
Galaxybeing.com |
| 246 |
.QVM - Quake Format |
id Software |
| 247 |
.QVO - QlikView Table |
QlikTech International AB |
| 248 |
.QVP - ViewletBuilder Project Format |
Qarbon |
| 249 |
.QVPP - QlikView Extension Properties Page Format |
QlikTech International |
| 250 |
.QVT - Quantum Streaming Video Stream Url Format |
N/A |
| 251 |
.QVW - QlikView Document Format |
QlikTech International |
| 252 |
.QV~ - ViewletBuilder Project Backup Format |
Qarbon |
| 253 |
.QW5 - Quicken Win Version 5 |
Intuit Inc. |
| 254 |
.QWB - Microsoft Money Quotes WriteBack Import |
Microsoft Corporation |
| 255 |
.QWD - QuakeWorld Demo Format |
N/A |
| 256 |
.QWP - Quiptics Puzzle Format |
Sam Bellotto Jr. |
| 257 |
.QWQ - OpenQwaq Auto-Launch Format |
OpenQwaq |
| 258 |
.QWT - QuarkXpress Web Document Template |
Quark, Inc. |
| 259 |
.QX - Quexal Source Code |
Tommesani |
| 260 |
.QXB - QuarkXpress Multiple Document Publication Book File Format |
Quark Software |
| 261 |
.QXD - QuarkXPress Document Format |
Quark Software |
| 262 |
.QXF - Quicken Essentials For Mac Financial Data Exchange Format |
Intuit |
| 263 |
.QXL - QuarkXPress Element Library Format |
Quark Software |
| 264 |
.QXML - Question Master Administration Tool Output |
Cincom Systems, Inc. |
| 265 |
.QXP - QuarkXpress Project Format |
Quark Software |
| 266 |
.QXT - QuarkXPress Template Format |
Quark Software |
| 267 |
.QZ - Create A Quiz Data |
PC Shareware, Inc. |
| 268 |
.QZE - QZip Encrypted |
Leung Yat Chun Joseph |
| 269 |
.QZS - QuizPro Data |
Luzius Schneider |
