Go to the Activities link in the navbar, and click Dropbox
Click on the Assignment’s name to view submissions
From the Users tab, click Show Search Options link
Select “Users without submissions” from the Submissions list
Click the Search button (magnifying glass icon above)
You should see a list of students who haven’t submitted any assignment. Click Evaluate next to the student you would like to grade
Provide student’s grade when you’re ready in the Score text area. Feel free to add audio or video feedback using the Record Audio or Record Video (limited to 3 minutes and as an attached file that students need to click). If you use a rubric, you can also assess using the rubrics tool. You can also add your own feedback file.
Click the Publish button to save the changes. You can click Save as Draft if you’re not ready to release the assessment to the student.
If you need to retract or make changes to the grade after you publish, repeat step 3 through 5 to find the student again and click on Published link. After making your changes, Update, or if you retract your assessment, click Retract