How do I mark discussions replies as read or unread in Discussions Redesign as an instructor?
By default, an icon displays next to all unread discussion replies. As you scroll down the page, that icon will be removed from each reply.
You can tell Canvas not to automatically mark all your posts as read in your Discussion settings.
If the steps in this lesson do not match what is displayed in your course, learn how to mark discussion replies as read or unread in the Discussions Redesign interface.
Note: If a reply's state is manually changed, the post will not change states unless you manually change it again.
The Unread icon indicates replies that have not been read .
If the Unread icon does not display, it means the post has been read or marked as read .
To mark a reply as unread, click the Options icon next to the reply  and click the Mark as Unread link .