There are 16 other file types using
the APP file extension!

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

app file - dBase application generator object

app file - DR-DOS executable application file

app file - Visual FoxPro application

app file - Alphacam punch post file

app file - ArcPad project file

app file - Psion OVAL file

app file - Timex Data Link USB application file

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

app file - Clarion for Windows application

app file - Cybiko computer application file

app file - Team Developer normal mode application file

app file - OrbWorks PocketC CE application file

app file - Symbian OS application file

app file - ThecusOS application file

app file - Atari picture image

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APP file extension - Lotus Symphony add-in application file

What is app file? How to open app files?

File type specification:

Plugin, addon file type icon Plugin, addon file type

The APP file extension is associated with the Lotus Symphony an office suite for Windows, Mac and Linux that allows users to create documents, spreadsheets, presentations etc. The .app file stores add-in for Lotus Symphony.

The default software associated to app file type:

Lotus Symphony picture or screenshot

IBM logo Lotus Symphony  Microsoft MS-DOS software

Company or developer:

Lotus Symphony was an integrated software package for creating and editing text, spreadsheets, charts and other documents on DOS operating systems. It is not related with the latest IBM Lotus Symphony.

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 software applications associated to the .app file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X 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).

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 of the app files.

  • Import app file
  • Others app file

Software that import app file - Lotus Symphony add-in application file

Click on the link to get more information about Lotus Symphony for import app file action.

Microsoft MS-DOS:

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