Moodle allows you to change the due date or extend the time period when students have access to a quiz or assignment. You can apply user overrides to individual students or create groups and apply the overrides to a group.
Adding Individual Student Overrides
- Open your course and Turn editing on.
- Click on the Quiz or Assignment to open it.
- Click on the More menu and choose Overrides..

- Select User overrides from the drop-down menu and click the Add user override button.

- Search for a student in the Search box and select their name to add them into the Override user field.

- Make your setting changes.
- Click the Save button.
Creating Group Overrides
- Open your course and Turn editing on.
- If you haven’t already done so, create a new group of students.
- Click on the Quiz or Assignment to open it.
- Click on the More menu and choose Overrides..

- Select Group overrides from the drop-down menu and click the Add group override button.

- From the Override group drop-down menu, select the appropriate group.

- Make your override changes and click the Save button.