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We are using Exchange 2010 and the clients are all Outlook 2013. We'd like to setup a retention policy that auto deletes messages in the inbox after 18 months, but keep emails in other folders indefinitely. Since all folders are a subfolder of the inbox how can I accomplish that?
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We are using Exchange 2010 and the clients are all Outlook 2013. We'd like to setup a retention policy that auto deletes messages in the inbox after 18 months, but keep emails in other folders indefinitely. Since all folders are a subfolder of the inbox how can I accomplish that?

Exchange retention policy setup

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.

Outlook

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.