What is the RFI file format?
A file with the .RFI extension is a file known as SPEFO Stellar Spectra Analysis. It belongs to the Misc Files category. This format is associated with Astronomical Institute of the Academy of Sciences of the Czech Republic.
The reliable way to open a .RFI file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.
We are still gathering the list of programs that open .RFI files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.
Format details
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