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SLX MDL
File conversion

Convert SLX to MDL

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Is it possible to convert SLX to MDL?
Yes - SLX converts to MDL.

Simulink can save a model back to the legacy text format: in Simulink choose Save As and pick 'Simulink Model (*.mdl)', or run Simulink.exportToVersion / save_system with the .mdl target. Useful when sharing with a much older Simulink. Reverse (mdl->slx) is the common modernisation path (db pairing, software_count 1).

1 programs
Also to MDL: SMD

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Tested on macOS, Windows & Linux
Last verified Oct 2026

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How to convert SLX to MDL

Converting a .SLX file to .MDL lets you open the content in software that prefers the .MDL format, though some details may change compared with the original. The programs listed below open .SLX files and can save or export them to .MDL (or a closely related format). One of them is Simulink: Simulink is a block diagram environment for model-based design and multidomain dynamic system simulation developed by The MathWorks, Inc. It integrates tightly….

A full step-by-step guide for this conversion is on the way; the information above is drawn straight from our database.

Programs that convert SLX

Simulink

About these formats

.SLX Simulink Model File

An SLX file is a Simulink block-diagram model by MathWorks. To open it you need MATLAB with the Simulink add-on - double-click the file or run open_system('model.slx') at the MATLAB prompt.…

Open .SLX details →
.MDL Microsoft Flight Simulator 3D Model

An MDL file is a legacy 3D model for Microsoft Flight Simulator 95 or 98 - it stores aircraft or scenery geometry in a proprietary binary format. You cannot open it directly in standard 3D…

Open .MDL details →