Microsoft Exchange can refer to:
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Microsoft Exchange Server
Microsoft Exchange Server is a mail server and calendaring server developed by Microsoft. 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 ...
, an email server software product from Microsoft
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Microsoft Exchange Client
Microsoft Exchange Server is a mail server and calendaring server developed by Microsoft. 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 ...
, the former companion client software for Exchange Server that was embedded into some versions of Microsoft Windows
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Microsoft Exchange Hosted Services, an email filtering system
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