Files tab of the Program options dialog
DesignBuilder will by default make automatic backups of your current working file. Check the Automatic backup option box and select a backup interval to enable this option.
DesignBuilder copies the auto backup file to the Backup folder below DesignBuilder Data folder.
See also Data recovery.
Note: DesignBuilder keeps files in the Backup folder for up to 30 days and removes old backups each time the program is run.
DesignBuilder stores the most recently used folders for: