Files that contain the .sfo file extension are most commonly used by the CuteFTP FTP program for the Windows and Mac OS X operating systems. These SFO files store the search settings that are used by the CuteFTP application for FTP connection purposes.
The .sfo file extension is also used for Bitstream font files. The Bitstream application is used for font creation by many professional ad agencies, graphic designers and desktop publishers.
The Sony PlayStation gaming console is also known to use the .sfo file suffix. These SFO files are used to save the settings files for the Sony PlayStation gaming console.
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If you have additional information about the SFO file format or software that uses files with the SFO suffix, please do get in touch - we would love hearing from you.