How do I link to a file in a Canvas text box?
Instructors can easily link to any file uploaded to their Canvas Files tool in any any Canvas text box (Syllabus, Announcements, Assignments, Discussions, Quizzes, Pages)
Click on the tool that contains the Canvas text box you want to link the file (Syllabus, Announcements, Assignments, Discussions, Quizzes, Pages)

Place your cursor in the text box and then click the Files tab on the linking panel on the right

Locate the file you want to link and select it

To expand the Folders, click on the small arrow icon to the left of the folder name.
Clicking on the file name will automatically add a link to that file in the Canvas text box

Save, Update or Post the text box item