Change the interface language of CPLEX Optimization Studio IDE

To change the interface language of CPLEX Optimization Studio IDE on Windows, you need to find the shortcut to the IDE on Start Manu, right click on shortcut, click on properties and add command-line option -nl <language_code>. If the path to the target executable file are in quotation marks, add the option out of the quotation marks. Alternatively, the option can be added as -vmargs -Duser.language=<language_code>.

On Linux, you can use a command like below:

/path/to/oplide -nl <language_code>

On Mac, you can use a command like below:

open -a /path/to/Oplide.app -args -nl <language_code>

Now CPLEX Optimization Studio support the following languages:

Languages marked with * are newly supported since CPLEX Optimization Studio version 12.5.

The following screen capture shows how to configure the shortcut to CPLEX Optimization Studio IDE to start in Simplified Chinese:

Note: If the target has quotation marks ("), add the option -nl <language_code> outside the quotation marks. Otherwise, you might get an error reported by Windows indicating the target is not valid.

Note2: Some error messages have not yet been localized. Even if you change the interface language, some error messages will still be displayed in English.