The R file extension is related to the Apple Xcode development environment for Mac. The *.r file stores core rez program files.

There are 6 other file types using
the R file extension!

empty icon.r - RatFor Fortran preprocessor source

r icon.r - Corel Paradox file

empty icon.r - Pegasus Mail resource file

empty icon.r - Progress database compiled program

empty icon.r - Sound Designer 2 file

empty icon.r - R script

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R file extension - Apple Xcode core rez program file

What is r file? How to open r files?

File type specification:

Various data file type icon Various data file type

r file icon: r filetype icon

The R file extension is associated with Xcode an integrated development environment that allows users to create apps for OS X and iOS operating systems developed by Apple, Inc. The *.r file contains core rez program.

The default software associated to r file type:

Xcode icon

Apple, Inc. logoXcode  Apple macOS / Mac OS X software

Company or developer:
Apple, Inc.

Apple Xcode is IDE (integrated development environment) used to create applications for Mac OS X and iOS. Applications are programmed in Objective-C programming language. Xcode is available for Mac OS X.

Help how to open R files:

Due the variability and uncertainty of this file type group, there is no general information available, about how to open this various data file format. However most files with extension from this group are usually not meant to be opened or viewed directly. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.

For general information try to look at:
Identifying unknown file formats

How to convert file with extension R:

As far as we know, this .r file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .r file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file
: like open r file, edit r file, convert r file, view r file, play r file etc. (if exist software for corresponding action in's database).

  • Others r file

Unspecified and all other actions for computer programs working with r file - Apple Xcode core rez program file

Click on the software link for more information about Xcode. Xcode uses r file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Apple macOS / Mac OS X:

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