Time for action – back up your course
Once you've selected Backup from the Settings block you are taken to the first page of the Backup wizard ("Initial settings"). Simply leave the defaults as they are, scroll down to the bottom of the page and press Next.
The next page ("Schema settings") allows you to choose what you want to back up. Again, scroll down to the bottom of the page and click Next.
The "Confirmation and review" page allows you to check your choices and also to change the name of the backup file Moodle is about to create. If all is well, press the Perform backup button at the bottom of the page. Once the backup has been performed, press the Continue button and Moodle now displays your backup files. You can see that I have backed up both my Backyard Ballistics and my Jet in a Jam Jar courses:
You can see that Moodle has backed up your entire course into a single file and put it in your User private backup area. That's fine, but if something goes wrong with the computer Moodle...