LinkRouter guides
Pick the browser and profile for every link.
How to Make Email Links Open Gmail Instead of Apple Mail on Mac
Gmail is a website, so macOS can't pick it as your email app. Route email links through Chrome with Gmail as its handler, or use an app that opens Gmail.
How to Open Links in a Specific Chrome Profile on Mac
Chrome on Mac opens links from other apps in the profile you used last. Here is how to pick the profile yourself, from Terminal to a one-key picker.