December 10, 2019, update for Office Online Server (KB4484175)

Si applica a: Office Online Server

This article describes update 4484175 for Microsoft Office Online Server that was released on December 10, 2019.

Improvements and fixes

This update fixes the followingissue:
  • Web Parts on SharePoint Server 2016 aremissing the top toolbar and have filter buttons on pivot charts not workingcorrectly. This issue occurs when you use Microsoft Edge or Internet Explorer as a browser.

How to download and install the update

Download Center

This update is only available for manual download and installation from the Microsoft Download Center.

Virus-scan claim

Microsoft scanned this file for viruses by using the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to it.

Update information


To apply this update, you must have Microsoft Office Online Server installed.

Restart information

You don't have to restart the computer after you install this update.

File information

For the list of files that are included in the update 4484175, download the file information.


Learn 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.