>> RNB file

RNB file format description

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

1 filename extension(s) found in our database.

.rnb - Okapi Rainbow Project

The RNB project files are related to Okapi Framework. RNB file is an Okapi Rainbow Project. The Okapi Framework is a cross-platform and free open-source set of components and applications that offer extensive support for localizing and translating documentation and software. Rainbow is an application that that offers a palette of utilities aiming to help you during the process of localizing documentation, on-line help and software-related material.

Okapi Framework
Project files
- / -
Okapi Rainbow Project related extensions:
MITK Project
Livid Union Project
StoryMill Project
KiCad Project File
ideCAD Project
Fritzing Sketch File

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

Can't open a .rnb 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 .rnb file extension is often given incorrectly!

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

rmb, dnb, tnb, rnf, rbn, rb, nb, enb, rng, rbb, nrb, fnb

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

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Microsoft Windows Binary DNS Database
Nokia Phone Ringtone
Rocket eBook
EverNote Database
RELAX NG Syntax File

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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