Exchange server, being a product of Microsoft, is a mail server and calendar server, that helps small and medium scale companies to achieve better reliability and improved performance.On-Premise usually refers to keeping a server(s) required for Exchange to run within the company.Microsoft Exchange Server is built on dedicated physical or virtual servers which require a lot of maintenance, while Microsoft Exchange Online is completely cloud-based. Microsoft Exchange Server needs both server licenses as well as client access licenses for employees to use the system.

• Get the scalability you need. Some Office 365 offers include email, calendars, and contact management. Cut out costs. Reduce the risk of losing your email data. Always up to date.
• If you’re running a large company that wants to install, host and maintain Microsoft Exchange Server on its own equipment, you would need to purchase an exchange server license.

Exchange server, being a product of Microsoft, is a mail server and calendar server, that helps small and medium scale companies to achieve better reliability and improved performance.On-Premise usually refers to keeping a server(s) required for Exchange to run within the company.Microsoft Exchange Server is built on dedicated physical or virtual servers which require a lot of maintenance, while Microsoft Exchange Online is completely cloud-based. Microsoft Exchange Server needs both server licenses as well as client access licenses for employees to use the system.

• Get the scalability you need. Some Office 365 offers include email, calendars, and contact management. Cut out costs. Reduce the risk of losing your email data. Always up to date.
• If you’re running a large company that wants to install, host and maintain Microsoft Exchange Server on its own equipment, you would need to purchase an exchange server license.