Updated: July 15, 2020 (July 20, 2015)

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Exchange Online

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1,547 wordsTime to read: 8 min
Rob Helm by
Rob Helm

As managing vice president, Rob Helm covers Microsoft collaboration and content management. His 25-plus years of experience analyzing Microsoft’s technology... more

Exchange Online, a Microsoft-hosted messaging and collaboration service based on Exchange Server is explanding its Web collaboration capabilities, delivering group reviewing and editing capabilities for Office documents. However, it continues to enhance its e-mail capabilities, particularly for security and spam filtering.

What Is Exchange Online?

Exchange Online is a Microsoft-hosted messaging and collaboration service based on Exchange Server. Exchange Online is currently based on Exchange 2013. The service, available with Office 365 subscriptions or separately, supports e-mail, calendars, contacts, and tasks; works with Exchange-compatible clients; and offers a Microsoft-hosted version of Outlook Web App (OWA).

Most on-premises Exchange features, such as public folders, archiving, cross-mailbox search, and administration tools, are also supported, and Exchange Online can be used in a hybrid scenario alongside an on-premises Exchange deployment. Microsoft deploys the latest Exchange features to Exchange Online and some, but not all, are offered subsequently with updates to the on-premises Exchange software.

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