Open APK file

APK files: what are they and how do I open them?

apk file icon Are you facing difficulties opening unknown files on your computer, or wondering exactly what this file is?
We've got the information and best software solutions for opening these files effortlessly.

.apk file type #1: Google Android app - Application Package Kit file

An .apk file extension is primarily a Google Android app. APK (Application Package Kit) files are created for devices running on the Android operating system.

Further details:

The Android operating system uses APK (Android Package Kit) files to distribute and install mobile applications. APK files contain a program's code, resources, assets, certificates, and manifest files.

APK files can be manually installed on your Android device (a process known as "sideloading") or downloaded from the Google Play Store or other Android app markets.

If you want to make an application for Google Android OS, the best way to start is Android Studio.

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Google Android icon

Google Android

Popular OS for mobile devices

Android Studio icon

Android Studio

Integrated development environment for Google Android apps

Google Play icon

Google Play

On-line store and app that allows users to buy Android apps and multimedia content

NoxPlayer icon


An emulator of Google Android to play Android games on PC

BlueStacks App Player for Windows icon

BlueStacks App Player for Windows

Android apps virtualization software for Windows

BlueStacks App Player for Mac icon

BlueStacks App Player for Mac

Android virtualization software for Apple Mac

Eclipse with ADT Plugin icon

Eclipse with ADT Plugin

Specialized IDE for making apps for Google Android

IntelliJ IDEA icon

IntelliJ IDEA

A cross-platform IDE for making Java apps

WinZip icon


Popular file archiver for Windows

Website 2 APK Builder

A website to APK converter

.apk file type #2: Active Tutor project

Files with apk file extension might also be found as projects from Active Tutor authoring tool by 4C Soft.

Further details:

The apk file extension is also used by Active Tutor, a media authoring tool from 4C Soft.

The apk file from Active Tutor contains saved project. Seems like Korean software.

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easy4C Tutor

An education application for making Flash based trainings

.apk file type #3: Asustor ADM application package

Files with apk file extension may also be application packages for Asustor ADM operating system. Not to be confused with Android files.

Further details:

The apk file extension is also associated with the Austor ADM, a Linux based operating system for NAS (network attached storage) devices developed by Asustor.

This particular type of apk file stores package with application developed for ADM. These are not related to Android apps at all.

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Operating system that comes pre-installed with all ASUSTOR NAS devices

.apk file type #4: Data file for GameSpy Arcade service

Older GameSpy Arcade service for multiplayer gaming also used files with apk file extension.

Further details:

Old GameSpy Arcade Service used APK files to store various data used by the service, but it was discontinued in 2013. These files are not related to Android APK packages at all.

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GameSpy Arcade icon

GameSpy Arcade

A shareware multiplayer game server browsing utility

.apk file type #5: Microsoft Train Simulator packaged activity data

An apk file extension is related to the Microsoft Train Simulator and used for its packaged activity files. An apk files also uses Quake 2 first person action shooter computer game.

Further details:

The apk file extension is also used by Microsoft Train Simulator,  a train simulator for Microsoft Windows, released in 2001.

The apk file used in MTS contains saved packaged activity data.

The apk file extension was also used in some old games like Quake 2 for their audio files, but this is unrelated format, just sharing same file extension.

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Train Simulator

A train simulation computer game for Windows

Quake 2 icon

Quake 2

First person shooter computer game

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.apk" has the file extension "apk". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

We can help you open your file

In our database, we have collected a huge number of different file extensions, detailed descriptions, and programs that can be used to open or otherwise work with the file extensions listed in our database.
This database is an invaluable resource for users who want to understand better file extensions and what they can do with them. It also allows users to know different file types with the same purpose.

Only verified software links are provided

We have verified every software listed in our database. The software listed in our database includes links to the developer's or software's website. These links should allow you to download the right program for each file type. Using verified software from reputable sources helps minimize the risk of malware and viruses infecting your computer.