Once you have completed the sync of your SharePoint Document library you will see the files displayed in your File Explorer. The SharePoint Document library will appear on the left with the under the University of South Australia icon as shown here:
The content of the SharePoint library are displayed as below. The default sync status is 'File on-demand' and appears s a blue cloud. This file is available when online and is not yet downloaded to your computer. When you open the file it will be downloaded and will display a different status icon.
The different file status categories are:
To make a file available for when you are offline right click on a file and choose 'always keep on this device' - you need to do this while online as a copy is downloaded to your workstation. You can reverse this setting by selecting 'Free up space' which sets the file back in 'Online only' mode.