.RAI File Overview

File Extension:	RAI
File Type Description:	SPEFO 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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Home File Types Data Files RAI

What is File Extension RAI?

Release of the SPEFO software program prompted the development of the SPEFO Data file type by Astronomical Institute of the Czech Academyof Sciences. According to our internal data, SPEFO Data files are most popular with users in Brazil, with a majority of them running Windows 10. A vast majority of these users are opting to use Google Chrome as their preferred internet browser.

Associated Developers and Software

SPEFO by Astronomical Institute of the Czech Academyof Sciences

Top RAI User Languages

Top RAI File User Browsers

Desktop Friendly?

Mobile Friendly?

Top User Operating Systems


Windows 10	Windows 11	Windows 6	Windows 8.1

Associated Operating Systems

DOS

Other File Types Related to RAI Files

Extension	File Type Developer	File Category	File Type Description
.RRI	Astronomical Institute of the Czech Academyof Sciences	Data Files	SPEFO Stellar Spectra Analysis Data
.RV	Astronomical Institute of the Czech Academyof Sciences	Data Files	SPEFO Stellar Spectra Analysis Data
.RFI	Astronomical Institute of the Czech Academyof Sciences	Data Files	SPEFO Stellar Spectra Analysis Data
.EQW	Petr Skoda	Data Files	SPEFO Stellar Spectra Analysis File
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