.SLX File Extension

A .SLX file is a SpectraLayers Pro Project, created by MathWorks.

Open with MathWorks Simulink. Available for Linux, Windows, and Mac.

What is a .SLX file?

The .SLX file extension is associated with SpectraLayers Pro Project files, which are primarily used in Simulink, a software developed by MathWorks. Simulink provides a graphical environment where users can model, simulate, and analyze multidomain dynamic systems using block diagrams. The .SLX file format is used to save simulation models that include a variety of elements and their corresponding values. These files are stored in a compressed XML format, which helps reduce the file size compared to older formats like .MDL. Additionally, .SLX files use Unicode UTF-8 text encoding, allowing them to support a broader range of characters, making them more versatile in international settings.

The .SLX format was first introduced in the 2012 release of Simulink, aiming to replace the older .MDL file format. One of the main advantages of the .SLX format over .MDL is its smaller file size due to compression. This makes it more efficient for storage and quicker to load.

To open a .SLX file, you will need MathWorks Simulink, which is the same software used to create these files. Since Simulink is specifically designed to handle these types of files, it provides the necessary tools and features to effectively work with and manipulate the data within .SLX files.


Our goal is to help people find the most up-to-date information about file extensions for Windows, Mac, Linux, Android and iOS. We researched over 10,000 file extensions and their respective programs that open those files. If you want to suggest edits or updates about .SLX file formats, example files, or programs that are compatible. Please contact us.

More extensions