An rs_ file extension is related to the Mac OS (also known as Classic Mac OS) and used for its resource fork.
Software that open rs_ file
RS_ file extension - Macintosh resource fork
What is rs_ file? How to open rs_ files?
The rs_ file extension is associated with the Mac OS operating system. Resource fork is a feature in Mac OS file system HFS Plus, HFS and Macintosh file system. Resource fork contains main content of the file.
This rs_ file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.
The default software associated to open rs_ file:
Company or developer:
Apple, Inc.
OS X or Mac OS X is Unix-based operating system developed by Apple Inc. for Macintosh computers. It contains basic core applications for everyday use, such as Finder basic file manager, Safari for Internet browsing, QuickTime for video, iTunes for managing audio data and iPod, iOS devices management , iMessage instant messaging, Mail, Contacts, Calendar and many more.
The latest version 10.11 of OS X is called El Capitan. It is available to purchase on Mac App Store as well as is distributed with new Mac computers and notebooks. It includes features to improve the security, performance, design and usability.
OS X operating system was replaced by new macOS in 2016!
List of recommended software applications associated to the .rs_ file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open rs_ file, edit rs_ file, convert rs_ file, view rs_ file, play rs_ file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with rs_ file - Macintosh resource fork
Click on the software link for more information about Mac OS X. Mac OS X uses rs_ 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.).