AR File Type

- The quick facts

What are AR files and how to open them

Are you having problems opening an AR file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is an AR file?

AR files have multiple uses, and ACCAreader Document is one of them.

ACCAreader Document

A .ar file is a file created using the ACCAreader application. The ACCAreader is software that can read, print, and convert ACCA files. ACCA is an Italian company developing architecture, construction, and engineering software.

ACCAreader reads ACCA files that have a unique character encoding. Character encoding refers to the characters and values inside the document.

How to open AR files

Important: Different programs may use files with the AR file extension for different purposes, so unless you are sure which format your AR file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 9 different AR openers which you will find listed below.

Last updated: March 17, 2022

All known file formats using extension .AR

While ACCAreader Document is a popular type of AR-file, we know of 4 different uses of the .AR extension. Different software may use files with the same extension for different types of data.

AIX Small indexed archive (AIX prior to v4.3)

A .ar file is commonly used in the AIX operating system and other Unix variants. This exact type of AR file is for AIX versions to v4.3.

.ar files are archive files, which means it contains multiple files combined into one single file. Usually, these specific archive files contain compiled program parts from multiple source code files, which together form a library that can be linked into a program.

While we have not verified the apps ourselves yet, our users have suggested 9 different AR openers which you will find listed below.

ar Archive

A .ar file is an archive file of the archiver or ar, a kind of utility software running in Unix. A utility software like the ar combines several files into one single file, called the archive file. Archive files are often created to save storage space or ease the distribution of files. However, this particular type of archive file normally contains multiple compiled source code files (object files). It forms a static library, which programmers can link into their programs to add features.

While we have not verified the apps ourselves yet, our users have suggested 9 different AR openers which you will find listed below.

More file formats using the AR extension

Through our research of AR files, we know that the following formats exist. However, we have not yet analyzed them in detail, and we would love to hear from you if you have information about either of them.

PR archiving tool archive

Various apps that use files with this extension

These apps are known to open certain types of AR files. Remember, different programs may use AR files for different purposes, so you may need to try out a few of them to be able to open your specific file.

B1 Free ArchiverB1 Free ArchiverUser submitted
ExplzhExplzhUser submitted
XZipXZipUser submitted
ACCAreaderACCAreaderUser submitted
Cobalt ShareCobalt ShareUser submitted
TimeTimeUser submitted
CobaltCobaltUser submitted
XenonXenonUser submitted
ArgonArgonUser submitted