But there’s a lot more to Office than many users realize, particularly since the release of Office 365. Millions of modern businesses rely on the suite’s tools to communicate, create documents, and balance their books. One of the most popular software suites in the world, Microsoft Office is used by 1.5bn people worldwide.Īlmost everyone who used a computer in the past thirty years will have come into contact with Microsoft Word, Excel, or PowerPoint, sent an email through Outlook, or messaged someone on Skype.