Bulk Switchboard
From the Main Switchboard, click on ‘Enter/View Information Switchboard’

click on ‘Metadata Utility Switchboard’

click on ‘Metadata Utility Batch Operations Switchboard’

click on ‘Metadata Utility Bulk Switchboard’

Two Main Options are available:
Metadata Utility – Operation – Bulk Update Process (BUP)

For additional details See section
Metadata Utility – Bulk Update Process (BUP) (here)
Metadata Utility – Operation – Bulk Import Switchboard

For additional details See section
Metadata Utility – Bulk Import Switchboard (here)