There are multiple relatively well-known input methods for entering classic (traditional) Mongolian, but these methods slightly different from each other or showing strange formats depending on the system environment. Among them, have several input methods for Windows and mobile phones (including tablets), but there are still fewer methods on Mac systems that can be used properly.
Here, we have briefly summarized and listed the Mongolian input methods currently available.
The Mongolian Input Method of the Delhi Information Technology Co.Ltd,
Mongolian Input Method of Menksoft
Oyun Mongolian Input Method
Bolor Mongolian Input Method(as of now, the only method we confirmed that working properly on Macs since Catalina)
Zmongol Mongolian Input Method
Other than the relatively widely known input methods described above, also have some input methods developed by individuals, etc., Since it is introduced considerably in the following link, I think that it will be helpful for those who interested or want to look for more Fonts, by the way, this site seems built by Chinese only.