Files: How to Upload Course Materials into Your Canvas Course
How do I upload course materials into my Canvas course?
Files (located in the course navigation menu) is where you can upload your course documents, images, and other media files that you want to share with your students.
You can add a document to your course by uploading a file. You can also import files using the course import tool in Course Settings.
A photo tutorial with additional methods for uploading content can be found here.