>> RUI file

RUI file format description

Many people share .rui files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .rui file can be edited, converted or printed with. On this page, we try to provide assistance for handling .rui files.

1 filename extension(s) found in our database.

.rui - SPEFO Rectified Spectrum Data

The RUI data files are related to SPEFO. 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.

Data files
- / -
SPEFO Rectified Spectrum Data related extensions:
SPEFO Equivalent Widths Data
SPEFO Stellar Spectra Analysis Data
SPEFO Rectified Cleaned Data
SPEFO Differential Spectrum Data

Naturally, other applications may also use the .rui file extension. Even harmful programs can create .rui files. Be especially cautious with .rui files coming from an unknown source!

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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

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:

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

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

InstallShield Install Script
Ensoniq EPS Compressed Disk Image
Uniform Resource Identifiers List
Oracle Database Recovery-Unit Journal
Doom 3 GUI Data
Recorder 6 Rucksack Data

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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If you have useful information about the .rui file format, then write to us!

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