This article outlines how to restore deleted course content in a particular Canvas course.

Instructions

Navigate to the course in which you would like to undelete content.
In your browser’s address bar, add “/undelete” to the end of the URL and press Enter.
On the next page, among the list of recently deleted items, find the content you wish to restore and click the “restore” button next to the item.
The content will now be restored to its original location.

Relevant Information