Auto Tax Calculator provides users across all industries with an automated approach to tax calculation directly inside Microsoft Dynamics 365 for Sales. With this app, you’re sure to eliminate manual calculations, increase accuracy, and save time for your entire team! Get your taxes applied correctly the first time in order to avoid headaches when tax season rolls around. Auto Tax Calculator App allows managing Tax rates within Dynamics 365 CRM. You have the option to either manually maintain the tax rates or integrate with AvaTax from Avalara.