Special characters (or Latin) on Deployed GUIs, Prompt Windows and Generated Text files

Dear experts,

I am developing a software compiled with MCR on both MS Windows and OSx. The software is in Brazilian Portuguese, with severfal í, ás, ós, ç, ã.... and I am having problems in several steps as GUIs, prompt windows and software generated text files.

1 - The problems starts on the instalation steps:

2 - In the code, the inputdlg function also fail on the deployed version:

3 - Finally, the text files generated by the code:

also fail. I already tryied many combinations of encoding schemes and machine precision, as UTF-8, latin1 and etc...

Using UTF-8, the text file generated is created properly using the m-code version of the software, but fail in the deploy anyway.

With the MS Windows version, all works properly.

Any tipes to solve all these on Mac?