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qrc Development QT Resource Collection File
qrt Data QRT RayTracer Image
qsc Data KaleidaGraph Script
qsd Data Quicken Data
qss Development QT Style Sheet
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rad Document Radiance Scene
raf Graphic Fujifilm Raw Image
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ral Data WinRail Layout Data
rap Development RAPTOR Data
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rar Archive WinRAR Archive
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rat Data Nimbus 7 SAMS CRAT File
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