AR File

Did your computer fail to open an AR file? We explain what they are used for and recommend software that we know can open or otherwise handle your .AR files.

What is an AR file?

An .AR file is an ACCAreader Document file. 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.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

What else are .AR files used for?

While ACCAreader Document is a popular type of AR-file, we know of 4 different uses of the .AR extension.

The AR file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So an AR opener may not be able to open all kinds of AR files. In this case, look through all formats to make sure you find the best suited AR viewer.

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.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

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.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

PR archiving tool archive

Through our analysis of AR files, we know that one use of the format is PR archiving tool archive. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Various AR file openers, viewers, etc.

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.

WinRARWinRARUser submitted
B1 Free ArchiverB1 Free ArchiverUser submitted
ExplzhExplzhUser submitted
XZipXZipUser submitted
ACCAreaderACCAreaderUser submitted
Cobalt ShareCobalt ShareUser submitted
TimeTimeUser submitted
CobaltCobaltUser submitted
XenonXenonUser submitted
ArgonArgonUser submitted
We have not verified any software that we know for certain will work with AR-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with AR-files. If you know one, please use the 'Suggest a program' link below and tell us about it!