Emails can only be assigned to one folder, which limits how effectively you can organize your messages. One of the downsides, though, is that Outlook’s folder and file system can feel restrictive. Outlook has a traditional folder and file system, much like most other email service providers. Outlook: Features Outlook’s Folder and File System
Let’s take a quick tour through the timeline. There’s quite a lot of history behind the battle for dominance between Gmail and Outlook.
