German dictionary (de_CH) for spell checking in Mozilla applications add-on is for Firefox 3, Thunderbird 3 and Seamonkey 2. It is an optimized German spelling dictionary with Swiss German spellings (de-CH, Switzerland).
It is the version of the Hunspell igerman98-dictionary. Hunspell dictionaries are not compatible with Myspell. This dictionary only works with recent versions of Mozilla.
How to Install in Thunderbird:
1. Right-click the link below and choose "Save Link As..." to download and save the file to your hard disk.
2. In Mozilla Thunderbird, open Add-ons from the Tools menu.
3. Click the Install button, and locate/select the file you downloaded and click "OK".
Product's homepage
Requirements:
· Mozilla Thunderbird