Application rationalization is a critical first step in a Windows 7 migration. Key rationalization criteria include application redundancy, health and usage. By rationalizing your applications you can reduce the scope, time and cost of a migration project. Please click here to read how Parks Canada used AppRx, a SaaS solution for application rationalization and compatibility testing, to accelerate their migration project. Please click here to read how Parks Canada used AppRx, a SaaS solution for application rationalization and compatibility testing, to accelerate their migration project.