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What is RED file?


When you open the CADViewer Redline Markup File file in Windows, the data that is saved within it are based on AutoCAD. The file format is called RED and has a .RED extension. This file can be used for editing or viewing files within AutoCAD. The .RED extension is commonly associated with files that have been modified, meaning that they have been created or updated.

RED Format details


Full Name CADViewer Redline Markup Format
Developer Tailor Made Software
Category CAD Files

Tools that will help you view RED files


Sometimes you need to quickly preview the contents of a file with the RED extension. In such a situation, many people decide to find a tool that, according to its creators, can display the contents of the RED file and many other types of files (All in One Viewer).

Of course, there are such tools. However, it should be remembered that they may display the data contained in the RED file differently than the application dedicated to handling the RED file extension. When you cannot afford to have the data of the RED file displayed different from the original, you should use the applications developed to work with the RED file.

Below you will find a list of software programs that will help you with this. These software programs will help you view the content of the RED file, minimizing possible errors that may arise with other tools.


RED File Viewers

  • CADViewer
  • 3 RED viewers