This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Accept Read more
Filename extension
Facebook Twitter Google+ E-mail
Navigation: Home > APPCACHE file

Informations about the APPCACHE filename extension and the file formats associated with it

We collected the information you should know about the .appcache filename on this page. If you were sent a(n) .appcache file in an e-mail, but you don’t know what to do with it, then you can find help here. We strive to suggest free, open-source applications that are available to everyone for the file formats.

1 filename extension(s) are in our database

.appcache - HTML5 Application Cache

The APPCACHE file is a Data file, which is connected to the HTML5 Application Cache according to our registry. With the adequate settings, the HTML5 Application Cache (.appcache) files can be opened or converted with the help of Mozilla Firefox.

Format description:
Mozilla Firefox
Magic string:
- / -
Related links:
Related extensions:
IPC Protocol Definition Language Document
JavaScript Module
Mozilla Fastload File
Mathematical Markup Language Document
Mozilla Firefox Safebrowsing Database
XHTML Document

Important! Programs other than the ones listed above may also use the .appcache file extension. Even harmful programs can create files with the .appcache extension to store data in them. Always be careful with .appcache files coming from unknown sources. Don’t open executable files that arrived in mails, even if you know the sender.

The .appcache file can’t be opened on your computer?

If the program necessary for opening the .appcache file is installed properly on your computer, then the quickest and simplest way to open the .appcache file is to double-click on the file’s name. If that doesn’t work, then the right software probably isn’t installed on your computer.

While opening the .appcache file, you may receive an error message from the associated application, this can be caused by the following:

Associated applications

The Windows operating system stores information about the applications associated to the file extensions in the registry database. The associations can be queried or modified in the Command Prompt window with the "assoc" command.

Help us

We regularly check all the links on our pages, but it’s possible that a link doesn’t work or it doesn’t point to the correct page. If you found an error on this page, or if you have information that should be here, then don’t hesitate. Write to us and share your useful information.

We gladly accept application suggestions, but our primary goal is to suggest reliable, open-source applications that can be freely distributed to the users.

Protect the trees

If you find the information on our site to be useful, then save our page’s link or add it to your favourites. You can find the up-to-date information here later as well. In the interest of protecting the trees, please don’t print the page’s content onto paper.