| File Extension: | QTF |
| File Type Description: | Qtracker Filter File |
| File Type Developer: | Ronald E. Mercer |
| Primary Associated Software: | Qtracker |
| Primary Software Developer: | Ronald E. Mercer |
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The QTF file extension is a Qtracker Filter File file developed originally by Ronald E. Mercer for Qtracker. Visitor data analysis shows that these Qtracker Filter File files are typically seen on Windows 10 user machines from China. Google Chrome is the predominant internet browser used by this population.
 | Qtracker by Ronald E. Mercer |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .QTPP | Ronald E. Mercer | Data Files | Qtracker Update Data |
| .QTT | Ronald E. Mercer | Settings Files | Qtracker Application Theme |
| .OXO | Open Source | Settings Files | Ox Object-oriented Matrix Programming Language Source Code |
| .BOOT | Flexera Software | Settings Files | InstallShield Boot File |
| .CYBERDUCKLICENSE | Open Source | Settings Files | Cyberduck Donation Key |
| .OEM | Microsoft Corporation | Settings Files | Original Equipment Manufacturer Setup File |
| .APM | Adobe Systems Incorporated | Raster Image Files | Aldus Placeable Metafile Image |
| .YPF | David Binette | Settings Files | YahElite Personality File |
| .PRA | SofTech, Inc. | CAD Files | CADRA Design Drafting Software Data |
| .XM2 | LexisNexis | Settings Files | TextMap Version 2 Case Format File |
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