July 14, 2015, update for Outlook 2013 (KB3054940)

This article describes update KB3054940 for Microsoft Outlook 2013 that was released on July 14, 2015. This update also applies to Office Home and Student 2013 RT, and that contains Outlook 2013. This update has a prerequisite.

Please be aware that the update in Download Center applies to Microsoft Installer (.msi)-based edition of Office 2013. It does not apply to the Office 2013 Click-to-Run editions such as Microsoft Office 365 Home. (How to determine?).

Improvements and fixes

  • Improves support for versioning checks when verifying the current version of Windows.
    BUG #: 3509966 (Office15)
  • Adds handling for an empty message object during synchronization so that it will no longer result in a crash. This issue was observed during some shutdown scenarios.
    BUG #: 3510095 (Office15)
  • Fixes the following issues:
    • When you reply, reply all, or forward an email message in Outlook 2013, the email header only displays the display names of the recipients, and does not display their email addresses. You can change this behavior by using a registry key.

      Note To control this behavior, see Email header only displays the display names of the recipients but not their email addresses in Outlook 2013 (KB3054903) .
      BUG #: 3476121 (Office15)
    • After you change the language for Microsoft Lync 2013 (Microsoft Skype for Business), Lync 2013 (Skype for Business) may not respond.
      BUG #: 3480971 (Office15)
    • Assume that you create an email item based on a form in Outlook 2013. Then, you set a flag such as a Follow Up flag or a High Importance flag on the item. When you close the email item, you are not prompted for a dialog box to save the item, and the tag is not saved as expected.
      BUG #: 3484917 (Office15)
    • If you use OAuth to authenticate Microsoft Exchange, the connection status may become disconnected instead of displaying an OAuth credential prompt.
      BUG #: 3501074 (Office15)
    • After a rule moves an email message that you send out to a folder in Outlook 2013, the legDN address of your account instead of the display name appears in the From field of the email message.
      BUG #: 3504810 (Office15)
    • When you double-click a timeslot in the schedule view of a shared calendar in Outlook 2013, an appointment item instead of a meeting item is created.

      Note To resolve this issue, see An appointment item is created when you double-click a timeslot in schedule view of a shared calendar in Outlook 2013 (KB3054959) .
      BUG #: 3505083 (Office15)
    • When you try to use the object model method OpenSharedFolder to open a sharing online calendar in Outlook 2013, you receive an error E_FAIL (0x80004005) if the calendar has some items.
      BUG #: 3505117 (Office15)
    • You cannot delete an iCalendar (.ics) or a vCalendar (.vcs) calendar for an Exchange ActiveSync (EAS) profile in Outlook 2013.
      BUG #: 3506557 (Office15)
    • After you enter incorrect credentials multiple times for a mailbox in Outlook 2013, you have to enter the correct credential two times.
      BUG #: 3507363 (Office15)
    • When you run a quick step to apply a retention policy to an item in Outlook 2013, the retention policy is still applied to the item even though the retention policy is deleted.
      BUG #: 3507451 (Office15)
    • Meeting responses such as Accept, Decline, and Tentative are not displayed correctly on the Tracking tab in Outlook 2013.
      BUG #: 3509668 (Office15)

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. The updates in the Download Center cannot be installed on Office Home and Student 2013 RT.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 .

Virus-scan claim

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 2013 Service Pack 1 installed.

More Information

How to determine whether my Office installation is Click-to-Run or MSI-based:
  1. Start Outlook 2013.
  2. On the File menu, click Account.
  3. For Office 2013 Click-to-Run installations, an Update Options item is displayed. For MSI-based installations, the Update Options item is not displayed.
Office 2013 Click-to-Run installationMSI-based Office 2013
The screenshot for Outlook Click to Run The screenshot for Outlook MSI
File Information
How to uninstall this update


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.

Third-party information disclaimer

Article ID: 3054940 - Last Review: Jul 14, 2015 - Revision: 1

Microsoft Office 2013 Service Pack 1, Microsoft Outlook 2013, Microsoft Office Home and Student 2013 RT