What is Microsoft Exchange?

Exchange is Microsoft's groupware server, originally developed for corporate customers. Like other groupware solutions, it includes communication and organizational features, including: A calendar component, including collaborative features like meeting invites, shared calendars, and bookable resources

What is a currency exchange rate?

An exchange rate is a rate at which one currency will be exchanged for another currency. Most exchange rates are defined as floating and will rise or fall based on the supply and demand in the market. Some exchange rates are pegged or fixed to the value of a specific country's currency.

What are exchanges & how do they work?

Exchanges give companies, governments, and other groups a platform from which to sell securities to the investing public. Exchanges are marketplaces for the trade of securities, commodities, derivatives, and other financial instruments. Companies may use an exchange to raise capital.

What operating system does Exchange Server run on?

It runs exclusively on Windows Server operating systems. The first version was called Exchange Server 4.0, to position it as the successor to the related Microsoft Mail 3.5. Exchange initially used the X.400 directory service but switched to Active Directory later.