Office 365

Office 365 (now called Microsoft 365) is a cloud-based productivity suite developed by Microsoft. It includes a wide range of tools and services for both personal and business use.
Key features of o365:

Email & Calendar: Hosted Exchange with Outlook and shared calendars, Office Apps: Access to Word, Excel, PowerPoint, and others – online and offline, Cloud Storage: OneDrive for Business with secure file storage and sharing.