The .ifs file extension is used by a variety of software applications for a number of file formats. Files with the .ifs file extension are most commonly associated with OS/2 installable file systems.
The .ifs file extension is also used for Fractint files, IconForge library files, YuvPak compressed image files, InfoSlips files and Fractal Explorer files.
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File.org aims to be the go-to resource for file type- and related software information. We spend countless hours researching various file formats and software that can open, convert, create or otherwise work with those files.
If you have additional information about the IFS file format or software that uses files with the IFS suffix, please do get in touch - we would love hearing from you.