Basic information about OAR file

When there is a problem with opening files with the file extension OAR（*.OAR or *.oar）, 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 OAR file yourself.

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


1.Detail information about OAR file extension: OpenSimulator Archive

File type OpenSimulator Archive Category Compressed Files
Developer N/A File format Binary
Description OAR file is a OpenSimulator Archive. Archive created by OpenSimulator, also known as "OpenSim," an open source 3D application server used for creating virtual environments accessible over a network; contains "prims," or items, and all asset data necessary to fully load the terrain, object textures, and their inventories on a different system.
Software programs that will open, edit or convert OAR files

Windows		 OpenSimulator

Linux		 OpenSimulator



Can't open a OAR 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.OAR”。

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 OAR extension without any issue.


Where I can download the application that support OAR 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 OAR 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 OAR file?

The reasons for the lack of the ability to open a OAR 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 OAR file. If there is still something wrong, you might want to check:

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

If the OAR 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.