Studying technical communication is not the only way of joining this field. There are various training options. These training courses are primarily intended for employed individuals who developed an interest for technical communication only after they have started working. Oftentimes, they are graduates from programs in related disciplines.
Ideally, such lateral entrants qualify themselves through in-service training and obtain a formal certificate. In the future, a high percentage of lateral entrants will work in the industry as well to satisfy job market requirements