A daily updated filename extension database!

RB3 file extension

The table below provides useful information about the .rb3 file extension. It answers questions such as:

  • What is the .rb3 file?
  • What program do I need to open a .rb3 file?
  • How can the .rb3 file be opened, edited or printed?
  • How can I convert .rb3 files to another format?

Table of Contents

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

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

✅ R:Base v4.5 Database

RB2 file is an R:Base v4.5 Database. R:BASE is a relational database with referential integrity, multi user and security built in at the engine level.
RB2 format description not yet available
Category: Data files
Application: R:Base
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
RB2 aliases:
rb1, rb3
RB2 related links:
RB2 related extensions:
R:Base 4000 Database

R:Base X.5 Database

Other types of files may also use the .rb3 file extension.

🚫 The .rb3 file extension is often given incorrectly!

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

b3, br3, db3, gb3, rb, rbe, rbr, rbw, rf3, rv3, tb3

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Bryce 3 Scene
Berkeley DB3 Database
Intel VTune Performance Monitor Sampling Data
RealView Debugger Connection Properties
VTrain Data File
libigl ReAntTweakBar Data
Geekbench 3 Report
Stalker Game Data
Ruby Windowed Application
Rocket eBook

🔴 Can't open a .rb3 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 .rb3 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 .rb3 file extension, write to us!

🔴 Rate our RB3 page

Please help us by rating our RB3 page on a 5-star rating system below. (1 star is poor, 5 star is excellent)

4 of 5 stars (1 votes)
Thanks for voting!
Invalid vote.
Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
This page is available in the following languages: Český Deutsch English Español Suomi Français Magyar Italiano 日本語 Nederlands Norsk Português Român Русский Svensk 中文