Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .app

3 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .app file?
  • Which program can create the .app file?
  • Where can you find a description of the .app format?
  • What can convert .app files to a different format?
  • Which MIME-type is associated with the .app extension?
SymbianOS Compiled Application .app file icon

SymbianOS Compiled Application

APP file is a SymbianOS Compiled Application. SymbianOS is an operating system designed specifically as a foundation for developing smart devices.
Detailed description not available
Category: Application files
Application: SymbianOS SDK
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Symbian Install Package
SymbianOS Compiled Resource
Symbian Series 3 Install Package
Android Application Package
SymbianOS Pre-processed Resource
SymbianOS Resource Header
Android Compiled Executable
SymbianOS Dynamic Shared Object
Android Opaque Binary Blob File
Visual FoxPro Application .app file icon

Visual FoxPro Application

APP file is a Visual FoxPro Application. Visual FoxPro is a data-centric object-oriented and procedural programming language produced by Microsoft.
Category: Development files
Application: Visual FoxPro
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Visual FoxPro Class Library
Visual FoxPro Program
Visual FoxPro Report
Visual FoxPro Report Memo
Visual FoxPro Memo
Visual FoxPro Form Program
Visual FoxPro Menu Program
Visual FoxPro Query Program
Visual FoxPro Compiled Program
Alphacam Punch Post Data .app file icon

Alphacam Punch Post Data

APP file is an Alphacam Punch Post Data. Alphacam is a leading CAD/CAM software solution for the Woodworking industry.
Detailed description not available
Category: Data files
Application: Alphacam
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Alphacam Nest List
Alphacam NC Program
Alphacam User Font
Alphacam 2D/3D Mill Drawing
Alphacam 2D/3D Mill Tool Data
Alphacam 2D/3D Mill Post Data
Alphacam 2D/3D Mill Param Macro
Alphacam 2D/3D Mill VB Macro
Alphacam Lathe Drawing

Other types of files may also use the .app file extension. If you have helpful information about .app extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Monkey`s Audio Link
Ableton Live Pack
WorkPlace Pro Utilities Property Sets Export Data
Abacre Paperless Office Portable Document
Alphacam Laser Post Data
X++ Source Code
Corel Painter Paper Texture
O&P Industry AOP Data
ZPanel Package

The .app filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

apl (12), alp (1), xpp (1), qpp (1), pap (1), aop (1), zpp (1), wpp (1), pp (1), apo (1), ap (1)

Can't open a .app file?

If you want to open a .app file on your computer, you just need to have the appropriate program installed. If the .app association isn't set correctly, you may receive the following error message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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