December 8, 2015, update for Office 2016 (KB3114383)

Applies to: Office Home and Business 2016Office Home and Student 2016Office Professional 2016

This article describes update KB3114383 for Microsoft Office 2016, which was released on December 8, 2015. This update has a prerequisite.

Be aware that the update in Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. It doesn't apply to the Office 2016 Click-to-Run editions, such as Microsoft Office 365 Home. (How to determine?)

Improvements and fixes

  • Renames the "Add-Ins" string as the "Add-ins" string for consistency.
  • Makes Microsoft Upload Center white in all themes for the legibility.
  • Fixes the following issues:
    • It takes a long time for an add-in to display a custom task pane in a document in Word 2016 because Word 2016 performs the animation. After you install this update, follow the instructions in the "Registry information" section.
    • Screen readers (such as Narrator) can't read the detailed permissions for each collaborator on the Share pane of a document in Office 2016 applications.
    • When you co-author documents in an Office 2016 application, the Office 2016 application may crash.
    • You can't open or reply a document or an email message that has an IRM template protected if the IRM template name is changed.
    • When you select and edit a contact in People view in Outlook 2016, the Save and Cancel buttons are unreadable in the Colorful and the Dark Gray themes.

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 2016 installed.

Registry information

Follow the steps in this section carefully. Serious problems might occur if you modify the registry incorrectly. Before you modify it, back up the registry for restoration in case problems occur.

If it takes a longer time for an add-in to display a custom task pane in a document in Word 2016, follow these steps to disable transition animations of custom task pane window:

  1. Click Start, click Run, type regedit in the Open box, and then click OK.
  2. Locate and then select the following registry subkey:
  3. On the Edit menu, point to New, and then click DWORD Value.
  4. Type DisableWindowTransitionsOnAddinTaskPanes, and then press Enter.
  5. In the Details pane, right-click DisableWindowTransitionsOnAddinTaskPanes, and then click Modify.
  6. In the Value data box, type 1, and then click OK.
  7. Exit Registry Editor.

More Information

To determine whether your Office installation is Click-to-Run or MSI-based, follow these steps:
  1. Start an Office 2016 application. 
  2. On the File menu, select Account.
  3. For Office 2016 Click-to-Run installations, an Update Options item is displayed. For MSI-based installations, the Update Options item isn't displayed.
Office 2016 Click-to-Run installationMSI-based Office 2016
The screenshot for Word click to run The screenshot for Word MSI


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

File Information

The global version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.