How can I find out which version was used to create a particular model in Simulink 7.3 (R2009a)?

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MathWorks Support Team
MathWorks Support Team on 24 Apr 2012
Commented: Walter Roberson on 11 Sep 2018
I am looking for a way to prevent forward compatibility issues and therefore would like to know the version of Simulink used to create a particular model so that I can compare with the current version of Simulink that I am using.

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Accepted Answer

MathWorks Support Team
MathWorks Support Team on 13 Jul 2016
This enhancement has been incorporated in Release 2009b (R2009b). For previous product releases, read below for any possible workarounds:
There is no easy way of getting the version of Simulink in which the model was created. It can be found out from reading the model file (.mdl) as text.
Use the attached function 'createdIn' to find the same. Download the MATLAB file to the current directory or to a folder which is on the MATLAB path. For example to find out in which was the demo model vdp.mdl created in, type the following at the MATLAB command prompt:-
createdIn('vdp.mdl')
Starting R2009b release , it will be possible to retrieve this information using the following
info = Simulink.MDLInfo('mymodel') % works only in releases after R2009b
modelVer = info.SimulinkVersion
modelVer = get_param(‘modelname’, 'versionLoaded')
  1 Comment
Walter Roberson
Walter Roberson on 11 Sep 2018
If you are using those older versions use the attached function.
If you are using r2009b or later then you can use the built-in query even for old models.

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