The backup settings will be specified in the Backup Manager Setup dialog.
To set backup options:
From the Tools menu, choose Tools>Options>Current Site.
The Current Site Options dialog will appear. Now choose the Backups tab
Specify the backup details:
Publish Profile used to store site backups. Select a Publish Profile for storing site backups.
Repository
Path. Enter the path where site backups will be stored in the
selected Publish Profile.
The backup repository contains sensitive information. For security purposes, the repository path should not be accessible for browsing over the Internet. Contact your hosting provider for more information on finding a secure path.
Total size of site backups. Enter a maximum value (in megabytes) of server space to be allocated for site backups. You will be prompted to remove unneeded site backups when you exceed the amount of server space specified.
Total number of site backups. Specify a maximum number of backups that can be stored in the Backup Manager. You will be prompted to delete previous backups when you have exceeded the maximum number of backups allowed.
Click OK.