Opening an APK File

The APK file type is primarily associated with Android.

APK	File extension: APK
	File type:	application package

What is an APK file?

APK files mostly belong to Android by Open Handset Alliance. An APK file is an application package developed with Android Studio integrated development environment. The installer utility on an Android device can run and install an application compiled into an APK package. The file itself is a ZIP-compressed archive containing Kotlin, Dalvik, or Java Bytecode, media assets, settings, and application metadata (manifest, certificates, etc.). Android is an open source operating system for mobile phones, TVs, laptops, and IoT devices. It uses a modified version of Linux kernel.

How to open an APK file

You need a suitable software like Android to open an APK file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your APK file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a APK file directly in the browser:. Just drag the file onto this browser window and drop it.

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Programs that open and convert APK files:

Android by Open Handset Alliance
See the previous paragraphs to learn more about the main application. APK files are often referred to as Android executables because this type of file is primarily created or used by this software.
Active Tutor (project) by 4C Media
Active Tutor is a discontinued rich media authoring software used to create e-learning material. Some data used by this program was saved in an APK file. This file format is classified as Data.
GameSpy Arcade (service data) by IGN
GameSpy Arcade is a multiplayer game server browsing tool. Service data used by this tool is saved in an APK file. This file format is classified as Data. Related links: Wikipedia GameSpy Arcade Page
Train Simulator (packaged activity) by Microsoft
Train Simulator is a discontinued railway transport simulation game for Windows desktop. It used an APK file to save a packaged activity. This file format is classified as Game.

APK format details:

Each file has a definite file format, that is, how the stored data is arranged in the file. The initial characters of a file are called signature, sometimes also referred to as "magic bytes". The signature can be used to infer the file format. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. So you need a detailed analysis of a file to find out the format and the associated program. Our examination of the APK files comes to the following conclusion:

The APK file extension is very common and mainly uses a special format. The two most popular formats are as follows:

97% of all APK files use ZIP compression, i.e. an APK file contains several compressed files. The average file count is 205 with most APK files containing between 147 - 220 compressed files. Common included file names are resources.arsc, \META-INF\MANIFEST.MF and \res\. A little tip: If you rename the file extension to .zip and then double-click, you will see the included files and images. A typical file size is 23 MB. Several words can almost always be found in the files, e.g. AndroidManifest.xml. Files like these are about apkpure, android, free, release, base, config, apps and split.
1% of all APK files are using the well-known HTML file format to store the data. HTML is short for HyperText Markup Language. It is the standard markup language for documents designed to be displayed in a web browser. These files are text files and can therefore be read using a text editor. APK files are between 8 KB and 100 KB in size. Several words can almost always be found in the files, e.g. content, meta name, html lang, <!DOCTYPE html>, viewport, <head>, <meta charset="UTF-8">, Android, initial-scale, title and Download. These files are attributed to apkmody.

All the rest of the APK files (2%) have different formats. The category is game, video, play, tube, armeabi or premium. Drag & drop your file here to see the file format and a preview of your APK file!

Technical Data for APK File Extension

File classification:

Executable

Related files:

game, obb, install, xapk, xab, ark, appinstaller, apx, zip, hat, dex, so, exe, part, patch, atk, akp, jpg, ipk, rpyc, nomedia, cnt, os

Mime type:

application/vnd.android.package-archive, application/octet-stream

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: GSAPak.Document, FileType: GameSpy Arcade Custom Service, AppName: Aphid

ProgramID: GSAPak.Document, FileType: GameSpy Arcade Service, AppName: Aphid
EXEFile: GSAPak.exe

ProgramID: GSAPak.Document, FileType: GameSpy Arcade Service, AppName: GameSpy GSAPak 1.01
EXEFile: GSAPak.exe

ProgramID: GSAPak.Document
EXEFile: %ProgramFiles%\GameSpy Arcade\GSAPak.exe %1

ProgramID: GSAPak.Document
EXEFile: %ProgramFiles%\GAMESP~1\GSAPak.exe %1

ProgramID: GSAPak.Document
EXEFile: E:\GAMESP~1\GSAPak.exe %1

ProgramID: TrainSim.Packaged.Activity
EXEFile: %ProgramFiles%\Microsoft Games\Train Simulator\Utils\TSUnpack.exe

ProgramID: GSAPak.Document
EXEFile: %ProgramFiles%\GSAPak.exe

ProgramID: GSAPak.Document
EXEFile: %ProgramFiles%\GameSpy Arcade\GSAPak.exe

ProgramID: GSAPak.Document
EXEFile: %ProgramFiles%\GAMESP~1\GSAPak.exe

Show all 12 listings To Top

an apk application package is a special file format by Open Handset Alliance and should only be edited and saved with the appropriate software.

How to solve problems with APK files

Associate the APK file extension with the correct application.
Update your software that should actually open application packages. Because only the current version supports the latest APK file format. Search, therefore, e.g. on the Open Handset Alliance manufacturer website after an available Android update.
To make sure that your APK file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
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