Thunderbird spell checker

[Dummy88]

I think the dictionary for spell checking in Thunderbird (60+) has become corrupted. When I try to download from Thunderbird addons using the links in Thunderbird I am informed that both the language pack and dictionary are "not compatable with this version".
1. Where can I get a download of the files thiat are compatable?
2. Why is mozilla sirecting me to an out of date language / dictionary?

[DanRaisch]

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