10 Office 365 & MS Exchange Interesting Stats 
Key statistics, adoption rate & usage data
In FY19 Q2, Microsoft reported $10.1 billion in productivity and business processes revenue, which includes Office 365, the Dynamics line and LinkedIn.
In Q3 FY19, Office 365 reaches 180 Million Monthly Active Users.
Office 365 commercial seats grew 27% year-over-year
Office 365 made its Mac App Store debut in January of this year (2019).
1 in 5 corporate employees now use an Office 365 cloud service.
Financial services industry has the highest rate of usage of Office 365.
Second only to financial services, the manufacturing industry has migrated to using Office 365 and especially the OneDrive app for cloud storage at a rate of over 26% of its users.
43% of Microsoft Office 365 customers are in the United States and 10% are in the United Kingdom.
Of all the companies that are using Microsoft Office 365,a majority (61%) are small (<50 employees), 15% are large (>1000 employees) and 24% are medium-sized.
In 2019, On-Premises MS Exchange Server deployments represent 52% of worldwide exchange mailboxes, whereas cloud exchange mailboxes represent 48% of worldwide exchange mailboxes.