On the "Document list" screen, select the document type for sales documents (i.e. Invoices, Credit notes or Quotes) or purchase documents (i.e. Purchases, Supplier returns or Orders).

To select multiple documents, press the Ctrl key and keep it down while selecting the other documents to include in the Totals.

Right-click and select Others Totals option on the context menu. This will list an "Information" screen with the calculated totals of selected document(s).

This will display the following:

Total inc - Total amount of the selected documents inclusive of Tax (VAT/GST/Sales tax).

Total excl - Total amount of the selected documents exclusive of Tax (VAT/GST/Sales tax).

Total open - Total of documents; which are not yet posted (updated) to the ledger; inclusive of Tax (VAT/GST/Sales tax).

Total records - The total number of documents selected.