File Extension

R File Format

Resource file

R is a file extension for a resource file used by MAC OS X. R stands for Resource file. R files are used as resources for one or more MAC OS X applications. Contains definitions and functions, and can also reference other resource files. Can be opened with a text editor.

 

Learn more about .R files:

Visit the Apple Developer Network web page.

See answers to .R-related questions at ITKnowledgeExchange.com.

This was last updated in July 2010
Editorial Director Margaret Rouse

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