What is Exchange/O365?

Microsoft Exchange/O365 (now commonly referred to as Microsoft 365) is a suite of messaging and collaboration products. Exchange Server is Microsoft's email, calendaring, and contact server, often used by businesses for internal and external communication. O365 (Microsoft 365) is a subscription service that includes Exchange Online (a hosted version of Exchange Server), along with other applications like Word, Excel, PowerPoint, Teams, and SharePoint. It is commonly used for business email, scheduling meetings, managing contacts, and collaboration on documents.