Office 365 includes data loss prevention and multi-factor authentication, similar to G Suite. It also features message encryption that allows users to send encrypted email to anyone regardless of what email service recipients use. Email is accessible online through a browser on a desktop computer, phone, and tablet, and offline via the included Outlook app. Like Bluehost, Microsoft comes with a 99.9% uptime guarantee.
Even if you’re not running a burgeoning business, there’s the personal branding component to what an email host can offer. Maybe you’re a graduate student building your personal portfolio and publishing your resumé online when your realize Corporate Hiring Managers are less likely to respond to [email protected] Wouldn’t it be nice to reach out from [email protected] instead? Or maybe you’re establishing a side biz to bring in some extra cash. Would you rather folks considering you for freelance work reach out to [email protected] or [email protected]?
One of the most important compatibility factors to consider with email is the mobility question. How often do your employees need to access email via mobile devices? That's an important issue because most email hosting providers deliver some kind of web client usable as a default inbox. Almost all of these can be accessed via a mobile device, so if your employees don't need to access their emails on the road that much, then such mediocre clients are probably fine.