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 - Atari picture image
.app - HarmonyOS App Package
APP file extension - ThecusOS application
What is app file? How to open app files?
The app file extension is associated with the ThecusOS, an operating system for some kind of NAS (network attached storage) devices developed by Thecus.
The app file stores application written for ThecusOS.
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:
Thecus
ThecusOS is operating system and Web UI used by some kind of NAS devices developed by Thecus Technology Corp.
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).
Software that open app file - ThecusOS application
Programs supporting the exension app on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about ThecusOS for open app file action.