Select Assignments.

Select the Assignments tool from the Tool Menu in your site.
Select Grade.

Select the "Grade" link for the assignment for which you would like to allow a resubmission.
Select Set Resubmission Options.

Select the drop-down arrow for Set Resubmission Options for Multiple Students.
Select user(s), number of resubmission, and update Accept Until Date.

- Check the box next to each student that you are allowing a resubmission.
- Use the dropdown menu to indicate how many resubmissions are allowed and update the Accept Until date.
- Select Update.