APP File

What are APP files and how to open them

Are you having problems opening an APP file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your APP files.

What is an APP file?

APP files have multiple uses, and MacOS Application Bundle is one of them. Read more about the other uses further down the page.

MacOS Application Bundle

Files containing the .app file extension are executable application program files run on the Mac OS X operating system. The APP file format is similar to the Windows EXE file format, but it is used on Mac computers instead of Windows-run computers.

These files contain all assets associated with an application, like the executable itself and related resource files.

How to open APP files

Important: Different programs may use files with the APP file extension for different purposes, so unless you are sure which format your APP file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested ten different APP openers which you will find listed below.

Last updated: May 26, 2024

All known file formats using extension .APP

While MacOS Application Bundle is a popular type of APP-file, we know of 21 different uses of the .APP file extension. Different software may use files with the same extension for different types of data.

APP Raster Bitmap File

This is an old bitmap format used on Atari computers.

Atari V4E GFA Basic Application

We know that one APP format is Atari V4E GFA Basic Application. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Authorware Application

We know that one APP format is Authorware Application. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Branch Always Program Packer Compressed Atari ST Program

We know that one APP format is Branch Always Program Packer Compressed Atari ST Program. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

CA Visual Objects Application

We know that one APP format is CA Visual Objects Application. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Cybiko Application

Cybiko is a Russian handheld computer designed for teens. It features a two-way radio text messaging system.

EPOC/Symbian Application

These files are applications for embedded systems and mobile devices running the EPOC and Symbian operating systems. The application is written in Open Programming Language (OPL).

GEM Application (Intel)

We know that one APP format is GEM Application (Intel). We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Interfaze Application

We know that one APP format is Interfaze Application. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

LEEt/OS Application

We know that one APP format is LEEt/OS Application. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

MS Visual FoxPro 7 Application

We know that one APP format is MS Visual FoxPro 7 Application. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

OrbWorks PocketC CE Application

We know that one APP format is OrbWorks PocketC CE Application. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

oZone GUI Application

oZone GUI is a multiplatform desktop environment that runs under DOS, Windows, and Linux. Apps compiled for oZone will run on all supported platforms without recompilation.

PRO-NTO Application

We know that one APP format is PRO-NTO Application. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

PRO-WAM Application

We know that one APP format is PRO-WAM Application. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

PSION Application

We know that one APP format is PSION Application. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Symbian Application

We know that one APP format is Symbian Application. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Timex Datalink Smartwatch Application

These files are applications that run on Times Datalink smartwatches.

Z88 App Info File

We know that one APP format is Z88 App Info File. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Z88 Compressed RAM Apps

We know that one APP format is Z88 Compressed RAM Apps. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of APP files. Remember, different programs may use APP files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about APP file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.