How to open Mac application package or core system service .app files
Have you had trouble opening the app file on your computer? What are app files? We explain what they are and recommend software that we know will open them.
What is app file?
Files with app extension are commonly related to app packages for Mac OS X (macOS) operating system for Apple Mac Pro, MacBook Pro, Mac Mini and MacBook Air computers.
Mac application package or core system service description
File extension app is associated with the macOS (Mac OS X) operating system.
The app suffix is used as a container for Mac applications. Under Mac OS X (macOS) it is visible like single application with extension app and it's executable.
Under Windows operating systems this file shows as a directory with *.app suffix containing application files.
Suggested software to open app file
macOS
A Unix-based desktop operating system for Apple Mac computers
Mac OS X
Unix-based operating system for Apple Mac computers
Xcode
IDE used for development of app in Objective-C programming language
There are other APP filename extensions with the same .app suffix
app - Alphacam punch post
An app file extension is associated with the Alphacam a CAD/CAM solution. An app file stores punch post.
app - ArcPad project file
File extension app can be also found as projects from ArcPad mobile field mapping and data collection software developed by ESRI. The .app file stores ArcPad project.
app - Atari picture image
Files with app file extension are related to picture file format used by Atari 8-bit computers.
app - CA Visual Objects platform for developer (CAVO) project
An app file extension is related to the CA Visual Objects and used for its project files.
app - Clarion for Windows application
Files with app file extension can also be found as apps made using Clarion 4GL programming language and development environment.
app - Cybiko computer application file
An app file extension is related to the Cybiko hand held computer.
app - dBase application generator object
Files with app file extension might also be found as application generator object files from dBase.
app - DR-DOS executable application
An app file extension is related to the DR-DOS, an operating system developed by Digital Research. An app file contains program executable.
app - GEM application bundle
An app file suffix is related to the Graphics Environment Manager (GEM) and used for its applications.
app - HarmonyOS App Package
Files with app extension can also be found as apps for HarmonyOS for Huawei devices.
app - Lotus Symphony add-in application
An app file extension is related to Lotus Symphony suite and it is used for its add-ins.
app - OrbWorks PocketC CE application
An app file extension is associated with the OrbWorks PocketC CE development tool.
app - Psion OVAL data
An app file extension is related to the Psion OVAL integrated development environment.
app - Symbian OS application
An app file extension is related to the Symbian OS mobile platform. An app file contains application for Symbian.
app - Team Developer normal mode application
An app file extension is related to the Team Developer an integrated development environment.
app - ThecusOS application
An app file extension is related to the ThecusOS and used for its application files.
app - Timex Data Link USB application
An app file extension is related to the Timex Data Link USB software.
app - Visual FoxPro application
Files with app file extension may also be apps generated from a Visual FoxPro project in Virtual FoxPro environment. Made with the Project Manager ► Build option.