There are two types of documents people commonly make with TextEdit - Rich Text format docs and Plain Text (which uses UTF-8). The following video shows you how to create a Plain Text document using the UTF-8 format.
On this page of the site you can watch the video online Tech Tip :: Using Apple TextEdit for Plain Text (UTF-8) with a duration of hours minute second in good quality, which was uploaded by the user Creative Corner 20 January 2016, share the link with friends and acquaintances, this video has already been watched 4,317 times on youtube and it was liked by 29 viewers. Enjoy your viewing!