Let IntraSystems help you solve the confusion between Office 365 and Microsoft 365.  Although the names are similar, O365 and Microsoft 365 are two separate entities and there are clear differences. M365 includes O365 while O365 doesn't include M365.  So, if you have M365, you get O365, but if you have O365, you may not have M365. Office 365 (O365) is a cloud-based suite of apps and services centered around business productivity. This suite includes some apps you’re probably already familiar with like Microsoft Outlook, Word, PowerPoint and Excel. ...