Microsoft Exchange Server 2019 Standard Edition is the world's leading e-mail and contact information integration software that runs on Windows Server. It allows users to securely send e-mail messages and has a limit of up to five mailbox databases.
This license provides the Standard edition of the Microsoft Exchange server and no client access licenses (CALs). For additional licensing information, refer to the 'Licensing' information below. Client access licenses can be purchased separately.
Use Microsoft Exchange Server 2019 Standard to:
By purchasing Microsoft Exchange Server 2019 Standard, you are also eligible to install prior versions of the application at no additional cost (i.e. you can install Microsoft Exchange Server 2010).
An Exchange Server device or user CAL is required for each device or user accessing or using the server software. Exchange Server Standard comes with 5 CALs by default; additional CALs can be purchased separately.
Exchange Server is a server application to be used in conjunction with a server operating system. For each instance of Exchange Server, you must also have a Windows Server license.