I want my students to be able to redo assignments in preparation for their final even after the deadline has past just for practice. Seems a waste if they are no longer able to access.
Have you tried changing the assignment settings by giving the students multiple attempts to do the assignment? Go to the assignment, hover your mouse and choose more options > edit. Then under the settings tab you can up the number of attempts you allow. Be sure you also set the scored attempt to "first." You may also have to change the due date.
If this doesn't work or you're confused feel free to contact technical support directly: Instructors > Contact tech support by web form or phone
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