RSF file extension is used for Mediafour MacDrive Macintosh resource fork file.
Trouble opening rsf files on windows?
Advanced File Optimizer
Need help opening a rsf file? Advanced File Optimizer will do this for you. Opening a rsf file only takes a few clicks and is very easy, even for novice users.
Compatible with Window XP, Vista, Win7
There are 1 other filetypes using the rsf file extensions:
.rsf -
Text File
RSF file extension is used for document format file generated by Nei Nastran. RSF file can be opened, viewed and modified on Windows operating system.
NEi Nastran design simulation and virtual prototyping Mechanical Engineering Software products allow companies to reduce product development costs and improve time-to-market.
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RSF file extension is used for Mediafour MacDrive Macintosh resource fork file. 
Eric_Lamba
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