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RUI file extension

The table below provides useful information about the .rui file extension. It answers questions such as:

  • What is the .rui file?
  • What program do I need to open a .rui file?
  • How can the .rui file be opened, edited or printed?
  • How can I convert .rui files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ SPEFO Rectified Spectrum Data

RUI file is a SPEFO Rectified Spectrum Data. SPEFO is a small program used for processing stellar spectra at the Astronomical Institute of the Academy of Sciences of the Czech Republic in Ondrejov.
RUI format description not yet available
Category: Data files
Application: SPEFO
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
RUI aliases:
RUI related links:
RUI related extensions:
SPEFO Stellar Spectra Analysis Data

SPEFO Differential Spectrum Data

SPEFO Rectified Cleaned Data

SPEFO Equivalent Widths Data

Other types of files may also use the .rui file extension.

🚫 The .rui file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

eui, gui, rhi, ri, rki, ru, ruj, ruk, rul, tui, ui, uri

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Uniform Resource Identifiers List
Doom 3 GUI Data
GUI Design Studio Design
Recorder 6 Rucksack Data
Ensoniq EPS Compressed Disk Image
QT User Interface File
Java Russian Font Properties Data
Gimp Plug-ins UI Data
Oracle Database Recovery-Unit Journal
Rhino3D Installer Package

🔴 Can't open a .rui file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .rui file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .rui file extension, write to us!

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