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1 Solution
Have the student upload the correct file to the intended assignment. Students always see their most recent upload and (for now*) can upload multiple times.
From the student guide:
Any attachments added as part of a graded assignment submission are also copied to your user files but are not counted against your user quota. However, once the file has been uploaded as a submission, you cannot delete the file. Files are stored in the Submissions folder.
- How do I upload a file as an assignment submission in Canvas?
- How do I upload a file from Google Drive as an assignment submission in Canvas?
- How do I submit a cloud assignment with Google Drive?
- How do I upload a file from Microsoft Office 365 as an assignment submission?
- How do I know when my assignment has been submitted?
*In a future Canvas release (April), we'll have the ability to restrict the number of times an assignment can be submitted. See Limited Submission Attempts
Hope this advice helps,
Cheers - Shar 
Have the student upload the correct file to the intended assignment. Students always see their most recent upload and (for now*) can upload multiple times.
From the student guide:
Any attachments added as part of a graded assignment submission are also copied to your user files but are not counted against your user quota. However, once the file has been uploaded as a submission, you cannot delete the file. Files are stored in the Submissions folder.
- How do I upload a file as an assignment submission in Canvas?
- How do I upload a file from Google Drive as an assignment submission in Canvas?
- How do I submit a cloud assignment with Google Drive?
- How do I upload a file from Microsoft Office 365 as an assignment submission?
- How do I know when my assignment has been submitted?
*In a future Canvas release (April), we'll have the ability to restrict the number of times an assignment can be submitted. See Limited Submission Attempts
Hope this advice helps,
Cheers - Shar
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