| File Extension: | REASON |
| File Type Description: | REASON File |
| File Type Developer: | Propellerhead |
| Primary Associated Software: | Reason |
| Primary Software Developer: | Propellerhead |
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Propellerhead developed the REASON file extension, also know as a REASON File file, for the Reason software package. Data from our web servers (annonymous users) show that REASON files are most popular in United States and are often used by Windows 10. Google Chrome is the predominant internet browser used by this population.
 | Reason by Propellerhead |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Mac |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .REX | Propellerhead | Audio Files | ReCycle Loop File |
| .RX2 | Propellerhead | Audio Files | ReCycle Loop File |
| .RBS | Microsoft Corporation | Backup Files | Windows Installer Rollback Script File |
| .RFL | Propellerhead | Audio Files | Reason ReFill Sound Bank File |
| .RNS | Propellerhead | Audio Files | Reason Song File |
| .RCY | Propellerhead | Audio Files | ReCycle 1.x Document |
| .SMP | MakeMusic, Inc. | Audio Files | SmartMusic Performance File |
| .AKP | Propellerhead | Audio Files | Akai Sampler File |
| .GTR | Stanford Center for Biomedical Informatics Research | Data Files | Stanford Microarray Database Gene Tree Data |
| .MKR | Microsoft Corporation | Game Files | Train Simulator Marker File |
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