Overview

You can use this feature only for the published posts. 

How do I change the type of a post?

1. Click Feeds in the main menu on the left.
   
2. Navigate to the post you'd like to convert.
3. Click the ellipsis [...] in the top-right corner of the post.
   
4. Select convert this post from the dropdown menu and choose how you want to convert the post.
   
    

If you are changing an idea into any other post type, then the upvotes will be considered as likes and the downvotes will be nullified. Whereas for other post types, the reactions will remain the same.