Number of Office 365 enterprise subscribers worldwide 2025, by country

Microsoft 365 is used by over two million companies worldwide, with over one million customers in the United States alone using the office suite software. Office 365 is the brand name previously used by Microsoft for a group of software applications providing productivity related services to its subscribers. Office 365 applications include Outlook, OneDrive, Word, Excel, PowerPoint, OneNote, SharePoint and Microsoft Teams. The consumer and small business plans of Office 365 were renamed as Microsoft 365 on 21 April, 2020.

Global office suite market share

 An office suite is a collection of software applications (word processing, spreadsheets, database etc.) designed to be used for tasks within an organization. Worldwide market share of office suite technologies is split between Google’s G Suite and Microsoft’s Office 365, with G Suite controlling around 45 percent of the global market and Office 365 holding around 26 percent. This trend is similar across most worldwide regions.