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APPCACHE file format description

APPCACHE file format

We made this page to help you understand how to work with APPCACHE 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 APPCACHE 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 APPCACHE files, this page offers all the tools you need.

#1 HTML5 Application Cache

The APPCACHE file is categorized under Data. It is associated with Mozilla Firefox, serving as a HTML5 Application Cache. HTML5 introduces application cache, which means that a web application is cached, and accessible without an internet connection. Visit the website of Mozilla Firefox for a detailed description of the APPCACHE format.

Application:Mozilla Firefox
Category:Data files
Mime-type:application/octet-stream
Magic:- / -
Aliases:-

HTML5 Application Cache related extensions

  • fdf Format Description File
  • rrf MIKE 11 HD Results Data
  • fow Family Origins Database
  • pfcolors Pixelformer Colors Data

Windows can't open your APPCACHE 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 APPCACHE file.

To set the APPCACHE 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 APPCACHE file association. Many apps can open files. They don't need a specific file association to be set.

Handle APPCACHE files with care

Exercise caution when handling APPCACHE 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 APPCACHE files. Use trusted antivirus software to scan files from unknown sources before opening.

If you find the information on this APPCACHE page useful, please feel free to link to this page.

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