There are 17 other file types using
the APP file extension!

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

empty icon.app - Lotus Symphony add-in application file

empty icon.app - dBase application generator object

empty icon.app - DR-DOS executable application file

app icon.app - Visual FoxPro application

app icon.app - Alphacam punch post file

empty icon.app - ArcPad project file

empty icon.app - Psion OVAL data

empty icon.app - Timex Data Link USB application file

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

empty icon.app - Clarion for Windows application

empty icon.app - Cybiko computer application file

empty icon.app - Team Developer normal mode application file

empty icon.app - OrbWorks PocketC CE application file

empty icon.app - Symbian OS application file

empty icon.app - ThecusOS application file

empty icon.app - Atari picture image

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APP file extension - GEM application bundle

What is app file? How to open app files?

File type specification:

Program executable file type icon Program executable file type

The app file extension is associated with the GEM (Graphics Environment Manager), an operating environment for DOS operating systems, developed by Digital Research in 1985.

The app file stores application bundle written for GEM.

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 app file type:

GEM picture or screenshot

GEM  Multiplatform software

Company or developer:
Digital Research

An operating environment created by Digital Research for use with the DOS operating system on the Intel 8088 and Motorola 68000 microprocessors.

Help how to open APP files:

Use GEM to open *.app files.

How to convert file with extension APP:

As far as we know, this .app file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .app file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux 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).

  • Open app file

Software that open app file - GEM application bundle

Click on the link to get more information about GEM for open app file action.

Multiplatform:

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File-Extensions.org > Program executable file types

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