Thanks for response but am a little lost by how to incorporate into sql; i have:
SELECT Format([tblsales].[orderdate],'mmm') AS [Month], tblsales.ProductName, tblsales.Quantity, tblProducts.ProductPrice, tblsales.VAT, [quantity]*[tblproducts.productprice]+[vat] AS total, tblsales.Discount...