Microsoft Office is a suite of desktop productivity applications and client and server software designed for data analysis, presentations and numeric manipulations.
Microsoft Office 365 provides web, desktop, and mobile apps for outlook, word, excel, powerpoint, onenote, publisher, skype, onedrive, exchange online.
Microsoft Outlook is an personal information manager from microsoft which helps users communicate, manage schedules & find what they need quickly & easily.
Skype is a multi-channel communications software that provides video chat, voice calls, instant messaging & more to business of all sizes, across the world.
Microsoft SharePoint is a web-based collaborative platform which is primarily used for storing and sharing documents, and communicating information across organization.