.RED File Extension

File Type 1

CADViewer Redline Markup File

Developer Tailor Made Software
Popularity
3.3  |  3 Votes
Category CAD Files
Format N/A

What is a RED file?

CAD file created by CADViewer, a program used for reviewing CAD designs; saves annotations, or redlines, that have been written by a design reviewer; enables notes and other jotted items to be saved alongside a CAD design.

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Programs that open or reference RED files

Windows
Mac
Linux
Updated January 12, 2012
File Type 2

Red Source Code File

Developer Nenad Rakočević
Popularity
3.5  |  2 Votes
Category Developer Files
Format Text

What is a RED file?

A RED file is a source code file written in the Red programming language, which is a high-level programming language. It stores code in the Red syntax that is human-readable and similar to the Rebol programming language. RED files can be compiled or interpreted by the Red console.

More Information
Screenshot of a .red file in Microsoft Visual Studio Code 1.54
RED file open in Microsoft Visual Studio Code 1.54

The Red programming language was introduced in 2011 and designed to improve upon the Rebol programming language. Nenad Rakočević developed Red to be a full-stack language where a developer could create the front-end and back-end of software.

NOTE: While RED files store Red source code, .REDS files contain a low-level dialect of the Red programming language, known as Red/System.

How to open a RED file

You can open and edit a RED file with various source code editors, such as Microsoft Visual Studio Code with the Red extension (multiplatform) and GitHub Atom (multiplatform). Since RED files are saved in plain text, you can also open and edit them with a plain text editor, such as Microsoft Notepad (bundled with Windows) or Apple TextEdit (bundled with macOS), but they do not provide helpful source code editing features.

After you've finished editing your RED file you can compile the source code with the Red console by selecting File → Run....

Programs that open RED files

Chrome OS
Included with OS
Updated April 8, 2021

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