Note: this tutorial assumes you are seeing Discussion topics in “Reading View.”
1. From the D2L Course Home page, click on [Discussions] in the main navigation bar
2. Click on the desired [Topic] in the “Forums & Topics List”
3. On the right, above the list of messages, click on the “Sort by:” dropdown menu.
4. Choose “Most Recent Activity”, “Least Recent Activity”, “Newest Thread”, “Oldest Thread”, “Author First Name A-Z”, “Author First Name Z-A”, “Author Last Name A-Z”, “Author Last Name Z-A”, “Subject A-Z”, “Subject Z-A”, and that should sort the topic.

D2L 10.3  January 2015