There are 18 other file types using
the APP file extension!
.app - Mac application package or core system service [common]
.app - Lotus Symphony add-in application
.app - dBase application generator object
.app - DR-DOS executable application
.app - Visual FoxPro application
.app - Alphacam punch post
.app - ArcPad project file
.app - Psion OVAL data
.app - Timex Data Link USB application
.app - GEM application bundle
.app - CA Visual Objects platform for developer (CAVO) project
.app - Clarion for Windows application
.app - Cybiko computer application file
.app - Team Developer normal mode application
.app - OrbWorks PocketC CE application
.app - Symbian OS application
.app - ThecusOS application
.app - HarmonyOS App Package
APP file extension - Atari picture image
What is app file? How to open app files?
File type specification:
The app file extension is related to picture image file format used by Atari 800, 400, 130, 65 XE and XL family of 8-bit computers, released in 1979 by Atari.
The app file stores picture image in 80x192 resolution with 256 colors.
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:
Company or developer:
Piotr Fusik and Adrian Matoga
RECOIL is picture image viewer of picture image formats from classic computers.
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 File-Extensions.org's database).
app file viewer - programs that view app file - Atari picture image
Programs supporting the exension app on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about RECOIL for view app file action.