How to add a new language to the spellcheck?
You can customize spell check dictionaries to use up to 3 at the same time. To do so, write some random text in the draft composer or the chatbox, then right-click the text, and you will see the dictionary list you can customize. See the following image:
![Image showing how to enable spell check dictionaries on Windows](https://ddux7jl4k2xkx.cloudfront.net/assets/faq/spell-check-windows-132d9ab303828f5a3bf55361dd2544e96d0d957a0fa682f8b54ae12e38ff6b94.jpg)