Hi again!
I can't find "open" option in TBP. I have instaled the "Locale Switcher" addon, as seen in https://portableapps.com/apps/internet/thunderbird_portable/localization, to change the language. Maybe it doesn´t work? Am I doing something wrong?
http://xs125.xs.to/xs125/08105/file384.jpg
http://xs125.xs.to/xs125/08105/addons760.jpg
Thanks in advance!