Filtillägg börjar med tecknet "Q"
| FILTYP | Kategori | Filformat | |
|---|---|---|---|
| .q07 | Data Files | QuickTax 2007 självdeklaration | |
| .q08 | Data Files | QuickTax 2008 självdeklaration | |
| .q09 | Data Files | QuickTax 2009 självdeklaration | |
| .q3d | Data Files | Quest3D Project File | |
| .qb2005 | Data Files | SPCS 2005 Fil | |
| .qb2006 | Data Files | SPCS 2006 Fil | |
| .qb2007 | Data Files | Quickbooks 2007 Arkiv | |
| .qb2009 | Data Files | SPCS 2009 Fil | |
| .qb2010 | Data Files | Quickbooks 2010 Arkiv | |
| .qb2011 | Data Files | SPCS 2011 Fil | |
| .qb2012 | Data Files | SPCS 2012 Fil | |
| .qbmb | Backup Files | Quickbooks Backup File | |
| .qbw | Data Files | Quickbooks datafil | |
| .qda | Compressed Files | Fyrdubbla D Arkiv | |
| .qdat | Data Files | QuickTime Installera cachefil | |
| .qdf | Quicken Files | Quicken datafil | |
| .qdfm | Data Files | Påskynda datafil (Macintosh) | |
| .qdl | Text Files | QDL Program | |
| .qel | Data Files | Påskynda elektroniska biblioteket | |
| .qf | Quicken Files | Qompose webbsidemall | |
| .qfx | Data Files | Quicken Financial Exchange File | |
| .qic | Backup Files | Windows Backup File | |
| .qif | Data Files | Quicken Interchange Format File | |
| .qlgenerator | Apple Files | Quick Look Generator Arkiv | |
| .qm | Data Files | Qt Sammanställt Översättning Källfil | |
| .qmg | Raster Graphics Files | Samsung tema grafikfil | |
| .qpb | Data Files | Quickbooks Point of Sale datafil | |
| .qpf | Data Files | Kvartus II-projektet fil | |
| .qph | Data Files | Påskynda Pris Filhistorik | |
| .qpm | CAD Files | Snabbpall Maker Indata | |
| .qrc | Configuration Files | Qt Resource Collection Fil | |
| .qrp | Data Files | Quickreport File | |
| .qsd | Data Files | Quicken datafil | |
| .qtch | Digital Video Files | QuickTime cachefil | |
| .qtz | Digital Video Files | Quartz Composer Fil | |
| .qvd | Data Files | QlikView datafil | |
| .qvp | Data Files | ViewletBuilder Project File | |
| .qvt | Configuration Files | QlikView temafil | |
| .qvw | Data Files | QlikView Document | |
| .qxf | Quicken Files | Quicken Essentials för Mac Exchange File |