The Windows 8 Mail app is dreadfully meh. What's an Exchange-using businessperson to do? Easy: Download NitroDesk's $20 TouchDown app.
This beta version isn't quite as polished as its iOS and Android counterparts, and it doesn't quite go toe-to-toe with Outlook in terms of features, but it does sync email, calendar events, contact info, notes, and tasks without a hitch. (The native Mail app doesn't do all that!) Plus, it packs support for advanced Exchange features like PIN enforcement, remote wiping, and on-device data encryption, though some features are definitely missing in this early release.