I work for a company that relies on the MS cloud for virtualized environments, to let our still popular (And profitable) legacy app run in an environment it's m

I work for a company that relies on the MS cloud for virtualized environments, to let our still popular (And profitable) legacy app run in an environment it's more or less used to, but still be in "the cloud" so we can manage things for our customers, keep them on mostly the same version etc. It costs a fortune.