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How to open a file with .apk extension?
File type: Android Package File
Compatible with Windows 10, 8.1, 8, 7, Vista and XP
Searching for the right program to open .apk files?

"You'll need a new app to open this file" is probably the most common error faced by millions of Windows users every day. This is either because the program required to open a file is not available on your system or there may be other issues.
What is .apk file extension?

APK, or Android Application Package, is the file format used to distribute and install application software and middleware onto the Google Android operating system and certain other operating systems, such as Blackberry 9900 Devices with the OS version 7.1.0 or higher.. An APK file contains all the necessary files for a single Android program. APK files are saved in a compressed ZIP format and can be opened with any decompression tool. APK files are essentially a type of archive file, where the format of the packages are based on the JAR file format, with .apk as the filename extension. To make an APK file the software for Android is initially compiled, and then all of its parts are packaged into one file. An APK file contains all of that program's code (such as .dex files), resources, assets, certificates, and manifest file.

Windows Desktop Software that can be used to open .apk files:
Android SDK.