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Learn about the history, features and versions of Microsoft Exchange Server, a mail server and calendaring server developed by Microsoft. Compare the current version (Exchange Server 2019) with previous releases and see how it supports Windows Server Core and Active-Active clustering.
Learn about the evolution of Exchange Server from version 4.0 in 1996 to the current version 2019. Compare the features, release dates, and editions of each version and how they relate to Active Directory, Outlook, and other services.
Outlook on the web (OWA) is a web app from Microsoft that lets users access their email, calendar, contacts, and tasks from any browser. It is included in Microsoft 365 and Exchange Server and Online, and has a history of development since 1995.
How to compose a new message. Click "New message" at the top of the folder list. Start typing the name of the addressee in the "To" field. Outlook will display a dropdown menu of complete email ...
Learn how to use POP or IMAP to download or send emails from your AOL Mail account on a different email app. Find the server settings and instructions for common email apps like Outlook, Gmail, Samsung and more.
Learn about the global cyberattacks and data breaches that exploited four zero-day vulnerabilities in Microsoft Exchange Servers in early 2021. Find out the causes, effects, perpetrators, and responses of the incident that affected 250,000 servers and 30,000 organizations worldwide.
All such figures are necessarily estimates because data about mail server share is difficult to obtain; there are few reliable primary sources—and no agreed methodologies for its collection. Surveys probing Internet-exposed systems typically attempt to identify systems via their banner, or other identifying features. [ 1 ]
Learn about Microsoft's hosted-software offering and its software as a service strategy. Find out how BPOS, the Business Productivity Online Suite, was replaced by Office 365 and what support options were available.