Microsoft is launching enhanced conversions in all markets across America and Europe in the coming weeks. Enhanced conversions explained. Enhanced conversions incorporate privacy-safe first-party customer data, such as email and phone numbers, enabling you to:Improve the accuracy of your conversion measurement. To begin using enhanced conversions, you must first have online or offline conversion tracking set up to receive conversions. If you, as an advertiser, already collect crucial first-party information from successful conversions, consider setting up Enhanced conversions for more advanced customer matching and client prospecting.