How do auto-open a preview of a linked file on a Canvas text box?
In Canvas, any link to a file in a text box can be automatically opened and displayed to users. This is frequently done in the Syllabus and Assignment tools, but will work in any tool that contains a Canvas text box (Syllabus, Announcements, Assignments, Discussions, Quizzes, Pages)
For directions on how to link a file in a Canvas text box see: How do I link to a file in a Canvas text box?
Below are directions on how to auto-open a link in a Canvas text box.
Go to the text box you have added the file link
Select the link and click on the "Link to URL" icon (looks like a chain link)
This displays a link to Website dialogue box
Checkmark "Auto-open the inline preview for this link", then click "Update Link"
This will return the display to the Canvas text box