This website uses cookies to improve your experience. You consent to our cookies if you continue to use this website. I Agree Read more
>> APPX file

APPX file format description

Many people share .appx files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .appx file can be edited, converted or printed with. On this page, we try to provide assistance for handling .appx files.

1 filename extension(s) found in our database.

.appx - Microsoft Windows 8 App Package

APPX file is a Microsoft Windows 8 App Package. An app package is a container based on the Open Packing Conventions (OPC) standard. OPC defines a structured way to store data and resources for the app by using a standard ZIP file.

.appx file format description:
APPX format
Microsoft Windows 8
Development files
- / -
Microsoft Windows 8 App Package related links:
Microsoft Windows 8 App Package related extensions:
Microsoft Windows 8.1 App Bundle Package
Microsoft Windows 8.1 App Bundle Manifest File
Microsoft Windows 8 Desktop Theme Pack
Microsoft Windows 8 Piano Song

Naturally, other applications may also use the .appx file extension. Even harmful programs can create .appx files. Be especially cautious with .appx files coming from an unknown source!

Can't open a .appx file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .appx file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

app, ppx, appc, apx

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

SymbianOS Compiled Application
Visual FoxPro Application
Alphacam Punch Post Data
Ability Photopaint Image
WebSuite Compiled Active Page
Serif PagePlus Template

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

If you have useful information about the .appx file format, then write to us!