All the known tools of Microsoft Office (Word, Excel, PowerPoint, Exchange etc) designed from Microsoft especially for businesses.
Microsoft 365 Web
Latest version of the Microsoft Office applications, such as Word, Excel and PowerPoint
Skype for Business
One Drive to store your files 1TB
Exchange Server with 50GB Mail Box per user
Share Point (allows each user 500MB of documents sharing with 10GB baseline storage)
Office web Instances are accessed from any device that offers internet access and can be installed to any device the user needs (up to 5 concurrent devices per user)