How to share a .mdl model done in 2021a version to 2019 version

I have a .mdl file (Simulink FIle) created in 2021a version of Matlab. I wish to send the file and open in 2019 version aswell.

what shall be done ?

How can we save the file which could be accesible both in 2019/2021 versions

Answer 1

[Yongjian Feng]

Click and expand the "Save" button, then you will see "Previous versions ...."

[Yongjian Feng]