There are 18 other file types using
the APP file extension!

app icon.app - Mac application package or core system service [common]

empty icon.app - Lotus Symphony add-in application

empty icon.app - dBase application generator object

empty icon.app - DR-DOS executable application

app icon.app - Alphacam punch post

empty icon.app - ArcPad project file

empty icon.app - Psion OVAL data

empty icon.app - Timex Data Link USB application

empty icon.app - GEM application bundle

empty icon.app - CA Visual Objects platform for developer (CAVO) project

empty icon.app - Clarion for Windows application

empty icon.app - Cybiko computer application file

empty icon.app - Team Developer normal mode application

empty icon.app - OrbWorks PocketC CE application

empty icon.app - Symbian OS application

empty icon.app - ThecusOS application

empty icon.app - Atari picture image

empty icon.app - HarmonyOS App Package

APP file extension - Visual FoxPro application

What is app file? How to open app files?

File type specification:

Program executable file type icon Program executable file type

app file icon: app filetype icon

The app file extension is often used for various compiled applications and programs and one of such file types is also generated by Visual FoxPro when a new program is built.

This particular app file type is generated from a .pjx project through Project Manager ► Build function.

This app file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

The default software associated to open app file:

FoxPro icon

Microsoft Corporation logoFoxPro  Microsoft Windows software

Company or developer:
Microsoft Corporation

FoxPro is Database Management System (DBMS) and database programming language developed by Fox Software and later by Microsoft. FoxPro is obsolete product replaced by the Microsoft Visual FoxPro.

Help how to open:

You can load this type of .app file to Visual FoxPro and launch the program.

How to convert:

Once the app is compiled from FoxPro database, a conversion seems unlikely. You would need to convert the source database.

Related links:

Building a FoxPro Application File from the Project help page on MSDN

List of software applications associated to the .app file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open app file, edit app file, convert app file, view app file, play app file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting app files.

Software that open app file - Visual FoxPro application

Programs supporting the exension app on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open app file action.

Microsoft Windows:

Main software associated with app file by default:
FoxPro small icon FoxPro
Other suggested software:
Visual FoxPro small icon Visual FoxPro

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