May 12, 2015, update for Outlook 2010 (KB3015585)

Applies to: Microsoft Office 2010 Service Pack 2Microsoft Outlook 2010

This article describes update KB3015585 for Microsoft Outlook 2010 that was released on May 12, 2015. This update has a prerequisite.

Improvements and Fixes

Fixes the following issues:
  • When you respond to a meeting request by using the Edit Response Before Sending option in Outlook 2010, the font is set to the system font unexpectedly.
  • If you use Outlook Security Group Policy to configure a VSTO add-in as trusted according to Manage trusted add-ins for Outlook 2010, it does not prevent security prompts when the add-in accesses the object model.
  • Assume that you send an email message that contains a Rights Management Services (RMS)-protected Office document in Outlook 2010. When the recipient views the RMS-protected attachment in the preview pane, the last changed date of the attached file is displayed incorrectly.

How to download and install the update

Microsoft Update

Use Microsoft Update to automatically download and install the update.

Download Center

This update is also available for manual download and installation from the Microsoft Download Center. If you are not sure what platform (32-bit or 64-bit) you're running, see Am I running 32-bit or 64-bit Office? Additionally, see more information about how to download Microsoft support files .

Update information

Restart information

You may have to restart the computer after you install this update.


To apply this update, you must have Microsoft Office 2010 Service Pack 2 installed.


See the information about the standard terminology that is used to describe Microsoft software updates . The Office System TechCenter contains the latest administrative updates and strategic deployment resources for all versions of Office.