| qpkg | QNAP QTS Package |
| qq | Shrinkit BLU Archive |
| qqa | Quanquest Archive Data |
| qsb | Lenovo Smartphone Firmware Update |
| qta | Tape Archive |
| qtar | Tape Archive |
| qtsk | Qtracker PlayerWatch Skin Package |
| quad | QUAD Compressed Archive |
| quicklz | QPress QuickLZ Compressed Archive |
| qup | QuickTime Update Package |
| qze | QZip Encrypted Archive |
| r00 | WinRAR Archive |
| r01 | WinRAR Archive |
| r02 | WinRAR Archive |
| r03 | WinRAR Archive |
| r04 | WinRAR Archive |
| r05 | WinRAR Archive |
| r06 | WinRAR Archive |
| r07 | WinRAR Archive |
| r08 | WinRAR Archive |
| r09 | WinRAR Archive |
| r10 | WinRAR Archive |
| r11 | WinRAR Archive |
| r17 | WinRAR Archive |
| r30 | WinRAR Archive |
| r99 | WinRAR Archive |
| rae | TrueZIP Encrypted Archive |
| raes | TrueZIP Encrypted Archive |
| rar | WinRAR Archive |
| rbf | Stellar Insta Backup Image |
| rdar | Reflection Desktop Customization Archive |
| rem | BlackBerry Encrypted File |
| rev | WinRAR Recovery Volume |
| rge | Microsoft Entourage Archive |
| rhi | Rhino3D Installer Package |
