If your Canvas course has enabled Microsoft Office 365, you can upload a file from your OneDrive for an assignment. 

1. In Course Navigation, click the Assignments link
    
2. Click the title of the assignment you would like to select
    
3. Click the Submit Assignment button on the right
    
4. Click Office 365
    
5. Select the file you would like to submit then click Attach File
    
6. Click Submit Assignment
   
   
7. View submission confirmation