Before this can happen the spreadsheet needs to be formatted correctly and there needs to be a column which uniquely defines the students in the unit. Those items that are unique to each student are username, email address and LEO ID number. You cannot import marks based on name.
The best way to ensure the correct format and include a unique key, is to first Export grades as a spreadsheet.
Once you have filled your spreadsheet with the marks and/or feedback comments, it is time to import them into gradebook.
From Grades > Import there are two main choices - either to import as a CSV file, or copy and paste directly from an open spreadsheet on your computer. Either is fine.
Please contact the Learning and Teaching Centre for professional development, resources and advice for your learning and teaching needs at ACU.