| 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 United States. A majority of people seeking info on PREF files are using the Google Chrome browser.
 | Adobe Device Central by Adobe Systems Incorporated |
 | Apple OS X by Apple |
 | macOS by Apple |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Mac |
 | Windows |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .OVW | Apple | Audio Files | Logic Pro Overview File |
| .METADATA_NEVER_INDEX | Apple | System Files | Spotlight Never Index File |
| .DART | Developer Files | Dart Source Code File | |
| .IFV | Intel Corporation | Video Files | Indeo Video Format File |
| .AC3 | Various Developers | Audio Files | Audio Codec 3 File |
| .IMT | Intuit, Inc. | Data Files | My Time Data File |
| .VC4 | Microsoft Corporation | Developer Files | Visual C++ 4 File |
| .CLAP | Unknown Developer | Data Files | Unknown Apple II File. (found On Golden Orchard Apple II CD Rom) |
| .HDT | Adobe Systems Incorporated | Settings Files | Photoshop HDR Toning Preset File |
| .1L | Unknown Developer | Data Files | Unknown Apple II File. (found On Golden Orchard Apple II CD Rom) |
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