Rockwell Automation 9323-S5500D A.I. SERIES MICROLOGIX 1000 AND PLC-500 SOFTW - Manual (Page 336)

Utility Options for Database Maintenance
14-15
The Repair/Compact Database utility also makes a backup copy of the database. Each
database backup writes over the previous database backup for the same project. For
information on how to restore a database, refer to the section Restore from Backups in
Chapter 19 - Troubleshooting and Diagnostics .