.app

File Type 1 Mac OS X Application IconMac OS X Application
File Format Standard (developed by Apple)
Usage Runs when opened
Rank ★ ★ ★  Common
Description

Mac OS X applications have an ".app" extension. They are similar to .EXE files found on Windows computers and contain executable code that runs when the file is opened.

APP files are saved in a package format, which contains the program data and resource files. You can view the contents of an application package in Mac OS X by right-clicking an APP file and selecting "Show Package Contents" from the contextual menu.

Open With
macOS

IconApple OS X

Updated August 13, 2009
File Type 2 Generic IconSymbian OS Application
File Format Proprietary (Nokia)
Usage Open manually
Rank ★ ★ ☆  Average
Description

Software program written for the Symbian OS, an operating system for mobile phones and smartphones; includes phones from Nokia, Sony Ericsson, Samsung, and FOMA.

Open With
Windows

IconNokia Carbide.c++

IconNokia WRT plug-ins

IconNokia Symbian rcomp

Updated 2007
File Type 3 Generic IconFoxPro Generated Application
Rank ★ ★ ☆  Average
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

Open With
Windows

IconMicrosoft Visual FoxPro

Updated 2007
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