Microsoft first released Exchange to the public in March 1996. This first version was named Exchange Server 4.0 and it was released as the replacement for Microsoft Mail 3.5. There have been 10 releases of new versions of Exchange, starting with 4.0 and continuing through to the present-day version of Exchange Server 2019, which was released in October 2018. Here is a brief timeline of the Exchange releases:
- 1996: The first version of Microsoft Exchange, Exchange Server 4.0, is released as a replacement for Microsoft Mail 3.5:
- 1997: Exchange 5.0 is released with an admin console and SMTP network access. Also released was Microsoft Exchange Client 5.0.
- 1997: Later 1997, Exchange Server 5.5 is released in Standard and Enterprise versions. Also released is Microsoft Outlook, as a replacement for Microsoft Exchange Client, and OWA.
- 2000: Exchange Server 2000...
