Click Billing > Bill and Print > CASS Control > Update Rates, then OK. Wait for Trash Flow to download the update, then click OK. Click Billing > Bill and Print > CASS Control > Local Postal Forms, then OK. Wait for Trash Flow to download the update, then click OK. Click CASS > Load Postal Forms, then OK. Wait for Trash Flow to download the update, then click OK. Click Billing > Bill and Print > CASS Control > Calculate Savings. Enter the estimated Number of Postcards Mailed each Month and Number of Statements Mailed each Month. The CASS Savings Caluclator will list your estimated savings in postage at the bottom of the window.