A13 File Extension

Split Multi-volume ARJ Compressed Format Archive (part 15)

File Type a13
Developer ARJ Software, Inc.
Popularity
4.6 (35 votes)
Application ARJ32
Category Compressed Files

What is a A13 file?

The A13 extension is related to Split Multi-volume ARJ Compressed Format Archive (part 15) and is classified in the Compressed Files category, which contains 820 files.

The Split Multi-volume ARJ Compressed Format Archive (part 15) (A13) was created by ARJ Software, a company that developed file format and produced 2 programs for their use.

A13 file support extends to various operating systems, including Windows. If you need to extract a A13 file, you can use one of 5 programs, such as ARJ32, WinZip and 7-zip.

Programs that support A13 files

Windows ⁵

Windows

How to open a A13 file?

If you’re having difficulty opening a A13 file, it is often due to not having the correct software. To solve the problem, choose a compatible program from the list. Then follow the link to the official developer site, download the software, and install it on your device.

Thanks to their popularity, ARJ32, WinZip and 7-zip are often the go-to programs for managing A13 files. To install the updated version of ARJ32, simply go to the ARJ Software site and download the installer compatible with all major platforms.

Once installed, ARJ32 will be set as the default program, and A13 files will open automatically.

Setting ARJ32 as default A13 viewer

Change the default app for a file type in Mac

Initiate a right click or use Control + left click on the desired A13 file to open a menu where you can select various actions;
Choose "Open in Application" and click "Other";
At the bottom of the window, find the "Enable" menu, where "Recommended Programs" is already selected by default;
Within this menu, select "All Programs" and then locate ARJ32. Check the box next to "Always open in app" to set it as the default program.

Change a default app in Windows

Start by right-clicking on your A13 file, then select "Open With" and continue by clicking "Choose another app" from the options provided;
Choose ARJ32 from the available applications listed in the pop-up window to set it as the default application to open your A13 file;
Be sure to check the "Always use this app" checkbox, and then click "OK" to confirm your selection.

Tips and tricks to solve problems with A13 files

Certain problems with A13 files can be conveniently fixed with small software tweaks. Here are some helpful tips to address them.

Why does ARJ32 stop responding or crash intermittently?

Insufficient software updates can contribute to ARJ32 crash. To avoid this, make sure that you have installed the latest updates for ARJ Software products.

Restarting your computer is an essential troubleshooting step that can resolve many common problems. It is recommended to restart your computer before making any changes to the software settings.

What are the best practices for repairing a A13 file that has gone bad?

Open the damaged A13 file in a recovery program and select the "Repair" menu item to start the repair operation. Wait for the recovery process to finish, allowing automatic repair of damaged compressed files.

What are the methods to detect if my A13 file has been corrupted?

Characteristics of corrupted A13 compressed files can include:

Unexplained A13 file size inflation;
The file stops responding or freezes in ARJ32 or other programs;
The file does not respond or shows errors when opening it;
While working with the file, error alerts are encountered;
Editing the archive in ARJ32 is hampered by poor overall performance;

How to edit a A13 file?

To modify A13 files, you need to install special software that makes it possible to open and edit compressed files. Online A13 editors are more restricted compared to software designed for Split Multi-volume ARJ Compressed Format Archive (part 15).

Best A13 Editor Software in 2026

Considering the mentioned criteria, we have compiled a list of A13 editors that may suit your needs.

A13 Editor Software	Developer	Platforms	Overall Rating
ARJ32	ARJ Software	Windows	4.2 out of 5 (39 reviews)

Convert files to and from A13

If obstacles arise while working with a A13 file, you may convert it to formats like 008 or other similar types for smoother handling.

After converting a A13 file, some capabilities may be limited, but you can often convert it back to the original format.