| File Extension: | PREF |
| File Type Description: | Preferences File |
| File Type Developer: | Unknown Developer |
| Primary Associated Software: | macOS |
| Primary Software Developer: | Apple |
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The PREF file extension is a Preferences File file developed originally by Apple for macOS. Website visitor analysis indicates that PREF files are commonly found on Windows 10 user machines, and are most popular in China. A majority of people seeking info on PREF files are using the Google Chrome browser.
 | Adobe Device Central by Adobe Systems Incorporated |
 | macOS by Apple |
 | Apple OS X by Apple |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Mac |
 | Windows |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .MAC | Apple | Raster Image Files | MacPaint Image |
| .MPV | Moving Picture Experts Group | Video Files | MPEG Elementary Stream Video File |
| .LOL | Apple | Developer Files | LOLCODE Source Code FIle |
| .OCTEST | Apple | Developer Files | Xcode Objective-C Unit Test Bundle |
| .JWK | Douglas Crockford | Encrypted Files | JSON Web Key |
| .DATE | Apple | Data Files | Golden Orchard Apple II CD Rom File |
| .MRW | Konica Minolta | Camera Raw Files | Minolta Raw Image File |
| .KTH | Apple | Data Files | iWork Keynote Theme |
| .FFIL | Apple | Font Files | Mac Font Suitcase |
| .BCS | The Wavelength | Settings Files | Batch Compiler Specification File |
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