List of Data File Formats Starting with the Letter "Q"
| .q05 | Intuit Canada Quick tax file, tax return file |
| .q9q | BladePro Graphic Plugin file |
| .qad | QuickArt database |
| .qag | Quick Access Group (Norton Desktop) |
| .qap | Application (Omnis Quartz) |
| .qbb | QuickBooks for Windows Backup file |
| .qbe | Saved query (Query By Example) (dBASE IV - Quattro Pro) |
| .qbk | Intuit Canada Quick tax file, backup copy of tax return file |
| .qbl | Business Lawyer Document |
| .qbo | Compiled query (dBASE IV) |
| .qbr | QuickBooks Report |
| .qbw | Spreadsheet (QuickBooks for Windows) |
| .qcn | Qualcomm Phonebook file |
| .qcp | Qualcomm PureVoice File |
| Contains data frames generated by QCELP 13K vocoder | |
| .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) |
| .qd4 | Data file - segment 4 (Omnis Quartz) |
| .qd5 | Data file - segment 5 (Omnis Quartz) |
| .qd6 | Data file - segment 6 (Omnis Quartz) |
| .qd7 | Data file - segment 7 (Omnis Quartz) |
| .qd8 | Data file - segment 8 (Omnis Quartz) |
| .qd9 | Data file - segment 9 (Omnis Quartz) |
| .qdat | Quicktime Installer Cache |
| .qdb | Quicken data file |
| .qdf | Quicken for Windows data file |
| .qdt | Quark Xpress Dictionary file |
| Question Mark Designer Test file | |
| QuickBooks UK Accountancy Data file | |
| Quicken Data file | |
| .qdv | Graphics (Steve Blackstock Giffer) |
| .qe4 | Kingpin Project file |
| .qef | Query file (Q+E for MS Excel) |
| .qel | Quicken Electronic Library file |
| .qfl | Quicken Family Lawyer file |
| .qfx | Quicken Financial Exchange file |
| Fax (QuickLink) | |
| .qhf | QIP PDA History file |
| .qic | Backup set for Microsoft Backup |
| .qif | Quicken Interchange Format |
| Quicktime Image | |
| .qix | NovaStar Backup file |
| Quicken for DOS v.2 data file | |
| .qlb | Quick library (MS C/C++) |
| .qlc | Data (PostScript help file) atmfonts.qlc |
| .qlf | Family Tree Maker Genealogy file |
| .qlp | Printer driver (QuickLink) |
| .qm4 | Options or services file (QMail 4.x Mail Door) |
| .qm | Virtual Box Language file |
| .qml | Quick Markup Language file |
| .qph | Intuit Quicken Price History file |
| .qpr | Generated query program (FoxPro) |
| Print queue device driver (OS/2) | |
| .qpw | Quattro Pro Project file |
| .qpx | Compiled query program (FoxPro) |
| .qrp | QuickReport Report files |
| Centura Report Builder file | |
| Liberty for Windows report file | |
| .qrs | Equation Editor support file (WordPerfect for Win) |
| .qrt | Qrt ray tracing graphics |
| .qru | SQL Query file |
| .qry | Query (dBASE IV) |
| .qsd | Quicken for Windows data file |
| .qsi | Quintessential Stereotaxic Injector Commander log files |
| .qst | Quake Spy Tab file |
| .qt | Quicktime movie (animation) |
| .qtc | Incite Media Assistant file |
| .qtk | Apple QuickTake file format for Windows |
| .qtl | Quick Time Media Link file |
| .qtp | QuickTime Preferences |
| Astra Quicktest Report | |
| .qts | Macintosh PICT image |
| QuickTime image | |
| .qtx | QuickTime image |
| .que | CuteFTP Queue file |
| Task Scheduler Queue Object | |
| .qvm | Quake file |
| .qvs | Casio Digital Camera file |
| .qw | Symantec Q&A Write file |
| .qwk | QWK reader message file |
| .qxd | QuarkXPress document file format |
| .qxl | Element library (QuarkXPress) |
| .qxp | QuarkXPress project file |
| .qxt | Template file (QuarkXpress) |
