File Extension Library

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.RAI File Extension

  • Developer by: Astronomical Institute of the Academy of Sciences of the Czech Republic
  • Category: Various data Files

What are .RAI files and how to open them?

Can't open .RAI file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .RAI file.

What is a .RAI file extension?

.RAI file extension is created by Astronomical Institute of the Academy of Sciences of the Czech Republic. .RAI has been classified as Various data Files.

.RAI is SPEFO data

The rai file extension is associated with the SPEFO, a program for one-dimensional spectra processing developed by Astronomical Institute of the Academy of Sciences of the Czech Republic.

The rai file stores various data used for internal purposes of the SPEFO.


How to open:

The rai files are used for internal purposes of SPEFO.

How to convert:

As far as we know, this .rai file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to fix problems with .RAI files

  1. You need to update the application that you normally use to open .RAI files. Only the latest version of the software supports the current .RAI file format
  2. You need to check the .RAI file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)
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