Unfortunately, the two differ from one another in both look and feel. You can work within either, and your changes will propagate inside both versions. Microsoft Outlook exists as both a standalone app within Microsoft 365, as well as a web app. But for now, let’s clean up your inbox! How to filter email in Outlook We also have tips on how to get rid of spam in Outlook, and more Outlook tips to manage your inbox by categories. As a bonus, we’ll even show you how to use Gmail to manage your Outlook email, too-it sounds weird, but it works. And, of course, we’ll show you to auto-delete and archive old email. If you’re overwhelmed by too much email in Microsoft Outlook, don’t despair! We can show you how to get rid of email you don’t want by using filters, rules, folders, and Outlook’s own Focused Inbox.