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format file acf

What is an acf file and how do I open an acf file?

The Valve Steam software is a program for video gaming developed by Valve, and this software uses files appended with the .acf extension, also called Steam application cache files. These ACF files are classified as data files, and the content stored in these .acf data files include details referenced and retrieved by the Valve Steam software when a user accesses associated features integrated into this program. Particularly, the data stored in these ACF files are Web locations of video game installers and other attributes of those programs. The Valve Steam application is a download management software developed by Valve for users to conveniently download, organize and manage their favorite video games. This software also populates their application databases with names and details of many video games, and this data is stored in other Valve Steam program files, to be referenced by the application when the user requests for associated content via the features integrated into the Valve Steam program. To create, open and modify the content of files with the .acf extension, users can install the Valve Steam application into their Microsoft Windows-based systems. There is also another version of Valve Steam for Mac platforms, so Mac users can install this program and implement support for .acf files.

Mac OS
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Detail acf file extension information:
File Type: acf
File Format: Steam Application Cache File
Primary Association: Filter Files
More explanations of the acf extension