Thunderbird
Open source email client.
Install Portuguese spellchecker
To Thunderbird 17.0.6 download XPI file in Download Oage.
In Thunderbird:
- click on menu Tools,
- Add-ons
- Get add-ons
- Click on the icon with a screwdriver and a wrench crossed
Select Install addon from file'
- Choose the file european_portuguese_spellchecker-13.10.1.2-tb+fx.xpi
- Click on Install now