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.APP File Extension3 File Associations

TIP: Run a free scan for .APP file extension errors.

File Type 1 Mac OS X Application   (Most common)
Popularity 5 stars  Very Common
Category Executable Files
File Description Application program (or executable file) that runs under Mac OS X; runs when double-clicked; similar to a .EXE file in Windows.

Because APP files are Mac OS packages, you can right-click (or control-click) an application and select "Show Package Contents" to view the files contained in the package; these include Resources used by the application, property list (.PLIST) files, frameworks, plugins, icons, and other files.

In Windows and Linux systems, it may be possible to view the contents of a Mac OS X application as if it were a folder; a decompression program like WinRAR may also be able to extract files from a Mac OS X application on other operating systems.

NOTE: Files within an application package should not be edited or moved, since changes may prevent the program from running correctly.
Program(s) that open app files
Mac OS Mac OS Runs itself
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Updated 9/7/2009 Star Fix file extension .APP errors.

File Type 2 FoxPro Generated Application
Popularity 3 stars  Average
Category Executable Files
File Description Application used by FoxPro to automate procedures (i.e. creating new label sizes, transforming data values, analyzing code, etc); may be included with FoxPro or custom built by the user from a project (.PJX) file using the BUILD APP command
Program(s) that open app files
Windows Windows Microsoft Visual FoxPro
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Updated 2006 Star Fix file extension .APP errors.

File Type 3 Symbian OS Application
Popularity 3 stars  Average
Category Executable Files
File Description 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).

The Symbian OS is used by phones from Nokia, Sony Ericsson, Samsung, and FOMA.
Program(s) that open app files
Windows Windows Nokia Carbide.c++
Nokia WRT plug-ins
Nokia Symbian rcomp
Runs on supported cell phones
Updated 2/1/2010 Star Fix file extension .APP errors.
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