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RCDefaultApp is a Mac OS X 10.2 or later preference pane that allows a user to set the default application used for various URL schemes, file extensions, file types, MIME types, and Uniform Type Identifiers (or UTIs; MacOS 10.4 only). MacOS X uses the extension and file type settings to choose the application when opening a file in Finder, while Safari and other applications use the URL and MIME type settings at other times for content not related to a file (such as an unknown URL protocol, or a media stream).

RCDefaultApp also allows setting the application when digital cameras or FireWire webcams such as iSight are more...

What's New

Version 2.1:
  • Added ability to ignore creator codes for extensions (MacOS X 10.4 and above).
  • Added IM selection (i.e. aim:// protocol) to the Internet pane.
  • Added Blank/Video BD (Blu-ray) and DVD Device to the Media pane on MacOS x 10.5 (Leopard and above).
  • Added Spanish localization.
  • Only show one version of an application on 10.4 and above, per system limitation.
  • Fixed bug with more...


Mac OS X 10.2 or later

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Current Version (2.x)


Downloads 53,548
Version Downloads 26,001
Type Utilities / System
License Free
Date 20 Sep 2009
Platform OS X / PPC 32 / Intel 32
Price Free
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