Files with appx file extension are application installation packages for Windows 8 and Windows Phone 8 and newer operating systems. They are used to install new software.
Software that open appx file
APPX file extension - Microsoft AppX application package
What is appx file? How to open appx files?
File type specification:
The appx file extension is associated with the new AppX application distribution file format introduced in Microsoft Windows 8 and Windows Phone 8.1 operating systems. The appx file extension represents the AppX application package.
The AppX distribution format is similar to the Windows Phone 7 application distribution format. The APPX file format efficiently distributes applications between various devices, including traditional PCs, tablets, and phones.
Windows Phone 8.1 operating system can also use XAP format for its applications.
The appx files can be installed on the phone via the Market app.
Copy the xap file to an SD card (Windows Phone 8 and higher), open Market, and use the SD card option.
The APPX file format is also compatible with Microsoft Windows 10 and 11.
Updated: March 16, 2024
The default software associated to open appx file:
Company or developer:
Microsoft Corporation
Windows 11 is the latest major release of Microsoft's Windows operating system with first release in October 2021. It is a free upgrade to its predecessor, Windows 10 (2015), and is available for any Windows 10 devices that meet the new Windows 11 system hardware requirements.
Company or developer:
Microsoft Corporation
Microsoft Windows 10 is operating system for desktop, laptop and tablet computers. Windows 10 is familiar and easy to use, with lots of similarities to Windows 7 including the Start menu.
Windows 10 comes with great built-in apps like Edge, Maps, Photos, Mail & Calendar, Music, Movies & TV. And these apps use OneDrive to back up your information and sync seamlessly across your Windows 10 devices.
Company or developer:
Microsoft Corporation
Microsoft Visual Studio is an integrated development environment (IDE) used to create applications for Microsoft Windows, Windows Mobile, .NET Framework, Silverlight as well as dynamic websites and web applications. Visual Studio is available for Windows and Mac.
List of software applications associated to the .appx file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open appx file, edit appx file, convert appx file, view appx file, play appx file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting appx files.
Software that open appx file - Microsoft AppX application package
Programs supporting the exension appx on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open appx file action.
Microsoft Windows:
Main software associated with appx file by default:
Microsoft Windows 11
Microsoft Windows 10
Other suggested software:
App packager
Microsoft Windows 8