Microsoft Exchange Server 2013 Standard

The Exchange Server 2013 Standard software from Microsoft is a powerful e-mail server application that is compatible with the Windows Server 2012/2012 R2 and 2016 operating systems. This edition supports 1 to 5 mailbox databases. It allows users in your organization to use Exchange-capable clients, including Microsoft Outlook. On-premise (perpetual) full retail license. This is not a subscription.