Basic information about R03 file

When there is a problem with opening files with the file extension R03（*.R03 or *.r03）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the R03 file yourself.

There are 1 file types using the R03 file extension in our database. In the further part of this page, you will find detail information about all the R03 file with their brief description and a list of programs that support R03 file sorted by operating systems. The table below provides useful information about the R03 file extension. It answers questions such as:
  • What is the R03 file?
  • How to open a R03 file?
  • What programs do I need to open a R03 file?
  • What programs help to create and edit a R03 file?
  • How to convert R03 files to another file format?
  • How to convert another files to R03 file format?


1.Detail information about R03 file extension: WinRAR Split Archive Part 3

File type WinRAR Split Archive Part 3 Category Compressed Files
Developer RARLAB File format N/A
Description R03 file is a WinRAR Split Archive Part 3 developed by RARLAB. Part three (see .R01 and .R02) of a compressed archive created with WinRAR (Windows) or RAR (Mac or Unix); split into several parts, allowing a single archive to be spanned across multiple discs; may be numbered from R00 to R99.
Software programs that will open, edit or convert R03 files

Windows		 WinRAR 5
Corel WinZip 21
7-Zip
IZArc
PeaZip
StuffIt Expander
ZipZag

macOS		 RARLAB RAR for Mac OS X
Incredible Bee Archiver
iArchiver
RAR OS X
The Unarchiver

Linux		 RARLAB RAR for Linux
File Roller
Xarchiver



Can't open a R03 file?

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

”Can't open this file: example.R03”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the R03 extension without any issue.


Where I can download the application that support R03 file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of R03 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/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a R03 file?

The reasons for the lack of the ability to open a R03 file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a R03 file. If there is still something wrong, you might want to check:

  • Whether the R03 file is damaged.
  • Whether the R03 file is incorrectly linked in the registry entries.
  • Whether the R03 file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the R03 file format is incompletely.
  • Whether the R03 file is infected.
  • Whether the drivers of the equipment used for opening a R03 file are up to date.
  • Whether your computer has enough hardware resources to open a R03 file.

If the R03 file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.