Please see the How to submit your assignment online link at the bottom of the page for the steps on submitting your assignment to Turnitin.
This is available in the UDO portal and can be accessed by clicking the following options:
Student Centre - Guides - "How can I" Guides
In the Guides section, you can also find "Guides for Course Resources, "Unimail" and "Library resources" which are also quite useful. Please ensure that you read the Turnitin guides carefully as there can be many factors as to why you are unable to submit your assignment.
You can resubmit your work as many times as you like, until 11.59pm on the day before the due date. Once the due date has been reached, the system will not allow you to resubmit your work. This is a global system setting which can not be over-ridden.
You may not be able to submit your Turnitin assignment using this and is an known issue that is being investigated by Turnitin. In the interim, it is recommended using another browser such as: Google Chrome or Firefox.
The download links for both browsers are below: