You can update property records quickly by exporting them to a CSV, editing, and importing again
Navigate to the Properties Page
Select any/all properties to export
Note: If you select all on a single page, you will have the option to select all available properties at the top of the table next to the current selected number
Click the Actions button then Export Properties
Open the downloaded CSV file in your spreadsheet software
Note: Only edit the Client email or property details.
Save the file as a CSV
Note: This is important. XLS and XLSX files cannot be imported.