What is the RAI file format?
A file with the .RAI extension is a file known as SPEFO. 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 .RAI 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 .RAI 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
in a nutshellFULL NAMESPEFO
DEVELOPERAstronomical Institute of the Academy of Sciences of the Czech Republic
CATEGORYMisc Files
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