Course restore
From MoodleDocs
Note for Contributors This page should explain what can be seen on the moodlesite.com/files/index/backupdata.php page just before starting the restore process The actual restore process should be explained here
Clicking on Restore, you will get transferred to the page with the list of the files you have backed up, the information of their sizes, the last time they were modified and the actions you can undertake with those files (you can unzip them, get a list of zipped files, restore or rename them).