APPX File Documentation

Overview

Feature Value
File Format APPX
Platform Windows 8, Windows 10, Windows 11
Developer Microsoft
Introduced In Windows 8
File Extension .appx
File Type Package
Purpose Application Packaging
Data Compression Yes
Encryption Optional, supports digital signatures
Manifest File AppxManifest.xml
MIME Type application/vns.ms-appx
Installation Managed by Microsoft Store or PowerShell
Compilation Precompiled
Architecture Neutral, can target specific architectures (x86, x64, ARM)
Dependency Handling Defines required dependencies in the manifest
Multilingual App Toolkit Support Yes
Integration with Windows Store Tightly integrated
Update Mechanism Automatic updates through Microsoft Store
Content Types Applications, Games
License Model Commercial, Free apps