word autocomplete feature in the body of a mail

Notepad++ have a nice word autocomplete feature I think emClient also need.
Autocomplete suggestions are based on words already written in the body.

https://support.office.com/en-us/article/using-word-prediction-for-inclusive-classrooms-8ca3ea32-66b…

win10 has a similar function, Word Prediction


And Outlook auto correct is super.

https://www.openoffice.org/sv/download/
And OpenOffice has a superb word predict and autocorrect function i wish emClient implement.
Best I have seen so far.