Just days after the announcement and availability of the Microsoft Office 2013 public preview, there’s an update posted that fixes a crazy issue where email messages are actually getting deleted from the Exchange server. Oops.
From the KB info:
This update resolves an issue in which email messages are deleted unexpectedly from the Microsoft Exchange server when Microsoft Outlook 2013 Preview is in online mode.
Get the 32-bit version: Update for Microsoft Outlook 2013 Preview (KB2737132) 32-Bit Edition
Get the 64-bit version: Update for Microsoft Outlook 2013 Preview (KB2737132) 64-bit Edition