Adapting old legacy apps for the cloud

The switch to the cloud is not so quick, at least here in Italy, but fortunately I can see a growing interest from customers on switching certain types of applications from on-premises to on-cloud solutions. What I can see is that often there’s a misconception about switching an old legacy apps to the cloud: should I totally rewrite my application? What about the costs of rewriting an application that works and that we’ve developed in many years of works? When you decide to switch more