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A23 file format description

A23 file format

We made this page to help you understand how to work with A23 files. Here, you can find info on software that can handle these files. It includes simple programs for opening and converting them.

Learn about the A23 file and its functions here!

We also explain how to convert them into other types. It's simple and hassle-free. For opening or changing A23 files, this page offers all the tools you need.

#1 ARJ Compressed Archive

The ARJ file is categorized under Archive. It is associated with WinARJ, serving as an ARJ Compressed Archive. It is the native format of ARJ (dos) and WinARJ archiver. Like other archives, ARJ files are data containers, they store one or several files in the compressed form. Visit the website of WinARJ for a detailed description of the ARJ format.

Application:WinARJ
Category:Archive files
Mime-type:application/x-arj-compressed
Magic:- / -
Aliases:a00, a01, a02, a03, a04, a05, a06, a07, a08, a09, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, a21, a22, a23, a24

ARJ Compressed Archive related extensions

  • arj ARJ Compressed Archive

Did someone accidentally misspell the A23 filename?

The A23 filename extension may be misspelled. We compiled a list of similar file extensions to help you find errors.

Filename extensions similar to A23:

Windows can't open your A23 file?

When you try to open a file by double-clicking it, Windows looks at the file's name to figure out what to do. If Windows doesn't know the file type, it'll ask you to choose an app to open this A23 file.

To set the A23 file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. In the Default apps section, you will find various categories. They include Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate. For example, choose Photos for image files, or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the app you want is not listed, click on More apps to see more options. Or, click on Look for an app in the Microsoft Store to search for apps.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set A23 file association. Many apps can open files. They don't need a specific file association to be set.

Handle A23 files with care

Exercise caution when handling A23 files from unknown sources. Files from certain sources can threaten your computer's security. They might contain malware, viruses, or harmful software. To minimize risks, avoid downloading or opening unfamiliar A23 files. Use trusted antivirus software to scan files from unknown sources before opening.

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