Rated 5 out of 5 stars

The add-on works great, but it has one limitation that I can't get around. The "Save Message as File" option saves the file without national diacritics. i.e. e.g. replaces "ą" with "a". Can you do something about it?

Léirmheas ar leagan níos sine den bhreiseán seo (3.6.1). 

replacing a safety feature by the original author - can you raise a github issue / feature request for allowing other characters?
https://github.com/RealRaven2000/FiltaQuilla/issues