Creating snapshots of your work is cricital, particularly before major changes like upgrading.
Steps to create a manual backup
Go to the Settings page
Scroll down to the App Settings section
Click the "Create Backup of Catalog"
Select a folder (note – it is advised to create a folder called MTC Backups so that all backups are in one location)
A loading screen will appear, please do not exit the app while this backup is created (this may take a few minutes depending on the size of your catalog)
After creating the first backup, you will see a "Last backup:" label with the date
To create a new backup, click the "Create Backup of Catalog" again