RFI Files: What It Is and How to Open It

If you've received RFI files and can't open them for some reason, and you want to know what it is and what to do about it, keep on reading!

RFI files are typically a type of binary file used by certain software, and many software packages can share a common file extension. In the case of files with an RFI extension, a popular software package such as SPEFO Stellar Spectra Analysis File can open it.


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How to Open Your RFI File

The easiest way to open file extension RFI is to try downloading some of the most popular software that uses RFI extension. The most well-known program associated with RFI files is SPEFO Stellar Spectra Analysis File.

Computer Files

As you may already know, if you have SPEFO Stellar Spectra Analysis File, you can simply double-click on your RFI and it should open up. But what if your software does not open the file?

First, try right-clicking on the file and selecting "Open With..." and select SPEFO Stellar Spectra Analysis File from the dropdown list. If that didn't work, go into the file associations settings of Windows, and set SPEFO Stellar Spectra Analysis File to open RFI files by default.

Please note that RFI file extensions may not be limited to SPEFO Stellar Spectra Analysis File only. You could always do a Google search to find other software that uses RFI files and download that to try to open your file.

Still no luck? Get in touch with the developer of the software title to see if they can be of assistance. If your software does not have an identified developer in the chart below, a quick web search of the software title should give you some clues on who to contact.

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1File types that are unsupported can be opened in binary format.

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