MS Office comes with an array of apps and services, each intended for a unique use. The most popular and widely used Office apps comprise Word, Excel, PowerPoint, Outlook, OneDrive, etc. When Microsoft launched the first productivity suite, it merely consisted of three basic apps: Word, Excel, and PowerPoint. Over the years, several apps have been added and removed to the package. Microsoft Office Setup is a bundle that consists of client as well as software server, and it also comprises services.