October 13, 2015, update for Office 2016 (KB2920679)

This article describes update KB2920679 for Microsoft Office 2016 that was released on October 13, 2015. This update has a prerequisite.

Be aware that the update in Download Center applies to 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

Fixes the following issues:
  • Files are merged unexpectedly in Office 2016 applications in background if files are in local working conflict.
    BUG #: 2436269 (OfficeMain)
  • Office 2016 applications may crash when you open a document from OneDrive during coauthoring.
    BUG #: 2458207 (OfficeMain)
  • Assume that you coauthor a document in Microsoft Word 2016. Then, you leave the real-time collaboration session. When you resume the session in Word 2016, Word 2016 freezes.
    BUG #: 2487591 (OfficeMain)
  • Using Word 2016 to open a file that's stored on SharePoint 2013 will lock the file on the server, and may prevent other users from editing the file during coauthoring.
    BUG #: 2586534 (OfficeMain)

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're 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 2016 installed.

More Information

To determine whether your Office installation is Click-to-Run or MSI-based, follow these steps:
  1. Open an Office 2016 application, such as Word 2016.
  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
File Information
How to uninstall this update


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

ID do Artigo: 2920679 - Última Revisão: 13 de out de 2015 - Revisão: 1