| File Extension: | RFI |
| File Type Description: | SPEFO Stellar Spectra Analysis Data |
| File Type Developer: | Astronomical Institute of the Czech Academyof Sciences |
| Primary Associated Software: | SPEFO |
| Primary Software Developer: | Astronomical Institute of the Czech Academyof Sciences |
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Astronomical Institute of the Czech Academyof Sciences developed the RFI file extension, also know as a SPEFO Stellar Spectra Analysis Data file, for the SPEFO software package. According to our internal data, SPEFO Stellar Spectra Analysis Data files are most popular with users in United States, with a majority of them running Windows 10. A majority of people seeking info on RFI files are using the Google Chrome browser.
 | SPEFO by Astronomical Institute of the Czech Academyof Sciences |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | DOS |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .RV | Astronomical Institute of the Czech Academyof Sciences | Data Files | SPEFO Stellar Spectra Analysis Data |
| .RRI | Astronomical Institute of the Czech Academyof Sciences | Data Files | SPEFO Stellar Spectra Analysis Data |
| .EQW | Petr Skoda | Data Files | SPEFO Stellar Spectra Analysis File |
| .RAI | Astronomical Institute of the Czech Academyof Sciences | Data Files | SPEFO Data |
| .LABEL | DYMO | Data Files | DYMO Label File |
| .RP4 | RescuePro Production GbR | Data Files | RescuePro Physician Invoice File |
| .XRT | 4pi Analysis | Data Files | EDX Spectrum Export File In Xraytor Format |
| .CLONEDVD | Elaborate Bytes | Data Files | CloneDVD Registration Data |
| .NDV | Exelis Inc. | Data Files | ENVI N-D Visualizer State Data |
| .85B | Texas Instruments, Inc. | Data Files | TI-85 Data File |
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