| QSetup Installation Suite | |
| Pantaray Research | |
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QSP is a installer file created with QSetup Composer PRO tool included in the QSetup Installation Suite software package. QSP file role is to facilitate installer creation for EXE files without resorting to using a programming language.
QSP files, along with some other files, are generated by Qsetup tool available for Microsoft Windows systems (versions 95 through 10). Qsetup is a feature-rich installer creator that is compact and easy to use.
Windows
| .a2theme | Aston 2 Theme Format |
| .acb | Adobe Color Book Format |
| .acbl | Adobe Color Book Format |
| .aco | Adobe Photoshop Color Palette And Swatches Format |
| .acrobatsecuritysettings | Adobe Acrobat Security Settings Format |
| .acrodata | Adobe Acrobat Data Format |
| .acv | Adobe Photoshop Colour Curves Format |
| .acw | Microsoft Accessibility Wizard Format |