To find previously started threads, users can utilize the "MY PF" option and select "My Content," or use the search function located on the right side of the selection bar. Additionally, accessing the "Watched Threads" feature under the Forums section allows users to track threads of interest. Another method involves visiting the user profile and selecting "Find all threads by [username]." These methods provide multiple avenues for users to easily locate their past discussions. Utilizing these features enhances navigation and thread management on the platform.