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.APPCACHE File Extension

File TypeHTML5 Cache Manifest File

3.9 (19 Votes)
CategoryWeb Files

What is an APPCACHE file?

An APPCACHE file is a file used by web browsers to enable accessibility of web applications when there is no network connection. It contains copies of resources that make up web applications, such as image (.PNG, .GIF, etc.), .CSS, and .JS files, and are identified by URLs.

More Information

APPCACHE files are created to allow web applications to run without an Internet connection, reduce the server load, and hasten webpage load time.

The APPCACHE file consists of four optional sections:

  • CACHE - Lists all resources that need to be downloaded and locally stored.
  • NETWORK - Lists all URLs that are loaded via Internet and won't be cached.
  • FALLBACK - Lists replacements for network URLs that are used if the web browser is offline.
  • SETTINGS - Determines settings for application cache behavior.

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Programs that open APPCACHE files

Updated 11/17/2017

About APPCACHE Files

Our goal is to help you understand what a file with a *.appcache suffix is and how to open it.

The HTML5 Cache Manifest file type, file format description, and Mac, Windows, and Linux programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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