The following are the important methods of off-the-job training: 

1. Classroom lecture: This method is well known to train white-collar or managerial executives in the organization. Under this method, the trainees are called to the room like that of a classroom, to get training in the form of a lecture. 

2. Case study: It is a written description of an actual situation in the past in the same organization and the trainees are supposed to analyze and give their conclusions. Case is later discussed by the instructor with all the pros and cons of each option. 

3.Vestibule training: This method is used mostly to train technical staff office employees who deal with tools, equipment, and machines. Here, the employees learn their jobs on the equipment or tool they will be using in their workplace.

4.Computer modeling: Computer simulation modeling is the technique of representing the real world by a computer program or software. It can assist in the design, creation, and evaluation of complex systems. It is useful when change to the actual system is: difficult to implement and impractical.