Basic information about APP file

When there is a problem with opening files with the file extension APP(*.APP or *.app), you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the APP file yourself.

There are 19 file types using the APP file extension in our database. In the further part of this page, you will find detail information about all the APP file with their brief description and a list of programs that support APP file sorted by operating systems. The table below provides useful information about the APP file extension. It answers questions such as:
  • What is the APP file?
  • How to open a APP file?
  • What programs do I need to open a APP file?
  • What programs help to create and edit a APP file?
  • How to convert APP files to another file format?
  • How to convert another files to APP file format?


1.Detail information about APP file extension: Symbian OS Application

File type Symbian OS Application Category Executable Files
Developer Nokia File format Binary
Description APP file is a Symbian OS Application developed by Nokia. Software program written for the Symbian OS, an operating system for mobile phones and smartphones; comprises a Symbian application together with a .RSC resource file; can be compiled using a Symbian OS software development kit (SDK).
Software programs that will open, edit or convert APP files

Windows
Nokia Carbide.c++
Nokia WRT plug-ins
Nokia Symbian rcomp
Runs on supported cell phones


2.Detail information about APP file extension: Mac OS X Application

File type Mac OS X Application Category Executable Files
Developer Apple File format N/A
Description APP file is a Mac OS X Application developed by Apple.
Software programs that will open, edit or convert APP files

macOS
Apple OS X
Mac OS X
Xcode


3.Detail information about APP file extension: FoxPro Generated Application

File type FoxPro Generated Application Category Executable Files
Developer N/A File format N/A
Description APP file is a FoxPro Generated Application.
Software programs that will open, edit or convert APP files

Windows
Microsoft Visual FoxPro


4.Detail information about APP file extension: Mac Application Package Or Core System Service

File type Mac Application Package Or Core System Service Category Executable Files
Developer N/A File format N/A
Description APP file is a Mac Application Package Or Core System Service.
Software programs that will open, edit or convert APP files

macOS
macOS
Mac OS X
Xcode
App2Dmg


5.Detail information about APP file extension: Lotus Symphony Add-in Application File

File type Lotus Symphony Add-in Application File Category Plugin Files
Developer N/A File format N/A
Description APP file is a Lotus Symphony Add-in Application File.
Software programs that will open, edit or convert APP files


6.Detail information about APP file extension: DBase Application Generator Object

File type DBase Application Generator Object Category Developer Files
Developer N/A File format N/A
Description APP file is a DBase Application Generator Object.
Software programs that will open, edit or convert APP files

Windows
dBASE


7.Detail information about APP file extension: DR-DOS Executable Application File

File type DR-DOS Executable Application File Category Executable Files
Developer N/A File format N/A
Description APP file is a DR-DOS Executable Application File.
Software programs that will open, edit or convert APP files


8.Detail information about APP file extension: Alphacam Punch Post File

File type Alphacam Punch Post File Category 3D Image Files
Developer N/A File format N/A
Description APP file is a Alphacam Punch Post File.
Software programs that will open, edit or convert APP files

Windows
Alphacam


9.Detail information about APP file extension: ArcPad Project File

File type ArcPad Project File Category GIS Files
Developer N/A File format N/A
Description APP file is a ArcPad Project File.
Software programs that will open, edit or convert APP files

Windows Mobile
ArcPad


10.Detail information about APP file extension: Psion OVAL Data

File type Psion OVAL Data Category Executable Files
Developer N/A File format N/A
Description APP file is a Psion OVAL Data.
Software programs that will open, edit or convert APP files


11.Detail information about APP file extension: Timex Data Link USB Application File

File type Timex Data Link USB Application File Category Developer Files
Developer N/A File format N/A
Description APP file is a Timex Data Link USB Application File.
Software programs that will open, edit or convert APP files

Windows
Timex Data Link USB software


12.Detail information about APP file extension: GEM Application Bundle

File type GEM Application Bundle Category Executable Files
Developer N/A File format N/A
Description APP file is a GEM Application Bundle.
Software programs that will open, edit or convert APP files


13.Detail information about APP file extension: CA Visual Objects Platform For Developer (CAVO) Project File

File type CA Visual Objects Platform For Developer (CAVO) Project File Category Developer Files
Developer N/A File format N/A
Description APP file is a CA Visual Objects Platform For Developer (CAVO) Project File.
Software programs that will open, edit or convert APP files

Windows
Visual Objects


14.Detail information about APP file extension: Clarion For Windows Application

File type Clarion For Windows Application Category Executable Files
Developer N/A File format N/A
Description APP file is a Clarion For Windows Application.
Software programs that will open, edit or convert APP files

Windows
Clarion


15.Detail information about APP file extension: Cybiko Computer Application File

File type Cybiko Computer Application File Category Executable Files
Developer N/A File format N/A
Description APP file is a Cybiko Computer Application File.
Software programs that will open, edit or convert APP files


16.Detail information about APP file extension: Team Developer Normal Mode Application File

File type Team Developer Normal Mode Application File Category Executable Files
Developer N/A File format N/A
Description APP file is a Team Developer Normal Mode Application File.
Software programs that will open, edit or convert APP files

Windows
Team Developer


17.Detail information about APP file extension: OrbWorks PocketC CE Application File

File type OrbWorks PocketC CE Application File Category Executable Files
Developer N/A File format N/A
Description APP file is a OrbWorks PocketC CE Application File.
Software programs that will open, edit or convert APP files

Windows Mobile
PocketC


18.Detail information about APP file extension: ThecusOS Application File

File type ThecusOS Application File Category Executable Files
Developer N/A File format N/A
Description APP file is a ThecusOS Application File.
Software programs that will open, edit or convert APP files

Linux
ThecusOS


19.Detail information about APP file extension: Atari Picture Image

File type Atari Picture Image Category Raster Image Files
Developer N/A File format N/A
Description APP file is a Atari Picture Image.
Software programs that will open, edit or convert APP files



How to convert APP files to another file format?

There are 4 records in our database eligible for APP files to another file format conversion. If you want to achieve APP to another files conversion, you may use the option.



How to convert another files to APP file format?

There are 4 records in our database eligible for another files to APP file format conversion. If you want to achieve another files to APP conversion, you may use the option.



Can't open a APP file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.APP”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the APP extension without any issue.


Where I can download the application that support APP file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How 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.


Can I change the extension of APP files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a APP file?

The reasons for the lack of the ability to open a APP file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a APP file. If there is still something wrong, you might want to check:

  • Whether the APP file is damaged.
  • Whether the APP file is incorrectly linked in the registry entries.
  • Whether the APP file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the APP file format is incompletely.
  • Whether the APP file is infected.
  • Whether the drivers of the equipment used for opening a APP file are up to date.
  • Whether your computer has enough hardware resources to open a APP file.

If the APP file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.