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

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

empty - Lotus Symphony add-in application file

empty - dBase application generator object

empty - DR-DOS executable application file

app - Visual FoxPro application

app - Alphacam punch post file

empty - ArcPad project file

empty - Psion OVAL data

empty - Timex Data Link USB application file

empty - GEM application bundle

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

empty - Clarion for Windows application

empty - Cybiko computer application file

empty - OrbWorks PocketC CE application file

empty - Symbian OS application file

empty - ThecusOS application file

empty - Atari picture image

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APP file - Team Developer normal mode application file

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 Team Developer a .NET integrated development environment that allows programmers to develop 32-bit Windows applications. The .app file stores normal mode application data.

The default software associated to app file type:

Unify Corporation logoTeam Developer  Microsoft Windows software

Company or developer:
Unify Corporation

Team Developer is visual object-oriented RAD software that is proven to shorten the development cycle; providing developers the tools to quickly design, develop and deploy their business application solution.

Help how to open APP files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

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, 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's database).

  • Others app file

Unspecified and all other actions for computer programs working with app file - Team Developer normal mode application file

Click on the software link for more information about Team Developer. Team Developer uses app file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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