How to apply tags to all resources in your subscription
Tags are a useful way to keep track of who owns what resource in a company wide Azure subscription.
You can enforce the creation of tags via the Apply tag and its default value policy you can assign to all or part of your subscription. But this only works for future resource created. What if you already have a lot there?
Set tags at the resource groups
We can create the tags we need at the resource group level with this: