Keeping your digital identity secure when managing multiple profiles is undoubtedly a top priority these days. It is generally much wiser to use specialised tools that allow you to isolate each session and prevent any data crossover. I came across a very detailed guide explaining various technical methods for staying under the radar. I think you should check out the tips on how to safely run multiple Outlook accounts here https://gologin.com/blog/multiple-outlook-accounts/ .