A12 File Extension

What is A12 file?

Full format name of files that use A12 extension is Split Multi-volume ARJ Compressed Format Archive (part 14). ARJ Software, Inc. defined the Split Multi-volume ARJ Compressed Format Archive (part 14) format standard. Files with A12 extension may be used by programs distributed for Windows platform. A12 file belongs to the Archive Files category just like 619 other filename extensions listed in our database. The most popular program for handling A12 files is ARJ32, but users can choose among 5 different programs that support this file format. Software named ARJ32 was created by ARJ Software, Inc.. In order to find more detailed information on the software and A12 files, check the developer’s official website.

Programs which support A12 file extension

Below is a table that list programs that support A12 files. Files with A12 suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

How to open file with A12 extension?

There can be multiple causes why you have problems with opening A12 files on given system. Fortunately, most common problems with A12 files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. We have prepared a listing of which will help you resolve your problems with A12 files.

Step 1. Download and install ARJ32

The main and most frequent cause precluding users form opening A12 files is that no program that can handle A12 files is installed on user’s system. The most obvious solution is to download and install ARJ32 or one to the listed programs: WinZip, 7-Zip, WinRAR. The full list of programs grouped by operating systems can be found above. One of the most risk-free method of downloading software is using links provided by official distributors. Visit ARJ32 website and download the installer.

Step 2. Update ARJ32 to the latest version

You still cannot access A12 files although ARJ32 is installed on your system? Make sure that the software is up to date. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. This can be one of the causes why A12 files are not compatible with ARJ32. The most recent version of ARJ32 is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Set the default application to open A12 files to ARJ32

If you have the latest version of ARJ32 installed and the problem persists, select it as the default program to be used to manage A12 on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Selecting the first-choice application in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the A12 file
• Next, select the Choose another app option and then using More apps open the list of available applications
• Finally select Look for another app on this PC, point to the folder where ARJ32 is installed, check the Always use this app to open A12 files box and conform your selection by clicking OK button

Selecting the first-choice application in Mac OS

• From the drop-down menu, accessed by clicking the file with A12 extension, select Information
• Find the Open with option – click the title if its hidden
• Select ARJ32 and click Change for all...
• A message window should appear informing that This change will be applied to all files with A12 extension. By clicking Continue you confirm your selection.

Step 4. Verify that the A12 is not faulty

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the A12 file in question. Problems with opening the file may arise due to various reasons.

1. The A12 may be infected with malware – make sure to scan it with an antivirus tool.

If the A12 is indeed infected, it is possible that the malware is blocking it from opening. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the scanner detected that the A12 file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Verify that the A12 file’s structure is intact

If you obtained the problematic A12 file from a third party, ask them to supply you with another copy. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. When downloading the file with A12 extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Check if the user that you are logged as has administrative privileges.

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Switch to an account that has required privileges and try opening the Split Multi-volume ARJ Compressed Format Archive (part 14) file again.

4. Check whether your system can handle ARJ32

The operating systems may note enough free resources to run the application that support A12 files. Close all running programs and try opening the A12 file.

5. Check if you have the latest updates to the operating system and drivers

Latest versions of programs and drivers may help you solve problems with Split Multi-volume ARJ Compressed Format Archive (part 14) files and ensure security of your device and operating system. It may be the case that the A12 files work properly with updated software that addresses some system bugs.

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