Introduction

Microsoft released the following security and nonsecurity updates for Office in December 2020. These updates are intended to help our customers keep their computers up-to-date. We recommend that you install all updates that apply to you.

To download an update, click the corresponding Knowledge Base article in the following list, and then go to the "How to download and install the update" section of the article.

List of Office updates released in December 2020

Microsoft Office 2016

Product

Knowledge Base article title and number

Excel 2016

Description of the security update for Excel 2016: December 8, 2020 (KB4486754)

Office 2016

December 1, 2020, update for Office 2016 (KB4486747)

Office 2016

December 1, 2020, update for Office 2016 (KB4486746)

Office 2016

December 1, 2020, update for Office 2016 (KB4486668)

Office 2016

December 1, 2020, update for Office 2016 (KB4486716)

Office 2016

Description of the security update for Office 2016: December 8, 2020 (KB4486757)

Outlook 2016

Description of the security update for Outlook 2016: December 8, 2020 (KB4486748)

PowerPoint 2016

Description of the security update for PowerPoint 2016: December 8, 2020 (KB4484393)

Project 2016

December 1, 2020, update for Project 2016 (KB4486749)

Publisher 2016

December 1, 2020, update for Publisher 2016 (KB4484334)

Skype for Business 2016

December 1, 2020, update for Skype for Business 2016 (KB4486745)

Visio 2016

December 1, 2020, update for Visio 2016 (KB4486709)

Word 2016

December 1, 2020, update for Word 2016 (KB4486756)


Microsoft Office 2013

Product

Knowledge Base article title and number

Excel 2013

Description of the security update for Excel 2013: December 8, 2020 (KB4493139)

Office 2013

Description of the security update for Outlook 2013: December 8, 2020 (KB4486732)

PowerPoint 2013

Description of the security update for PowerPoint 2013: December 8, 2020 (KB4484468)


Microsoft Office 2010

Product

Knowledge Base article title and number

Excel 2010

Description of the security update for Excel 2010: December 8, 2020 (KB4493148)

Office 2010

Description of the security update for Office 2010: December 8, 2020 (KB4493140)

Office 2010

Description of the security update for Office 2010: December 8, 2020 (KB4486698)

Outlook 2010

Description of the security update for Outlook 2010: December 8, 2020 (KB4486742)

PowerPoint 2010

Description of the security update for PowerPoint 2010: December 8, 2020 (KB4484372)


Microsoft SharePoint Server 2019

Product

Knowledge Base article title and number

Office Online Server

Description of the security update for Office Online Server: December 8, 2020 (KB4486750)

SharePoint Server 2019

Description of the security update for SharePoint Server 2019: December 8, 2020 (KB4486751)

SharePoint Server 2019 Language Pack

Description of the security update for SharePoint Server 2019 Language Pack: December 8, 2020 (KB4486752)


Microsoft SharePoint Server 2016

Product

Knowledge Base article title and number

SharePoint Enterprise Server 2016

Description of the security update for SharePoint Enterprise Server 2016: December 8, 2020 (KB4486753)

SharePoint Enterprise Server 2016

Description of the security update for SharePoint Enterprise Server 2016: December 8, 2020 (KB4486721)


Microsoft SharePoint Server 2013

Product

Knowledge Base article title and number

Office Web Apps Server 2013

Description of the security update for Office Web Apps Server 2013: December 8, 2020 (KB4486760)

Project Server 2013

December 8, 2020, cumulative update for Project Server 2013 (KB4486763)

SharePoint Enterprise Server 2013

December 8, 2020, cumulative update for SharePoint Enterprise Server 2013 (KB4493137)

SharePoint Enterprise Server 2013

December 8, 2020, update for SharePoint Enterprise Server 2013 (KB4486758)

SharePoint Foundation 2013

December 8, 2020, cumulative update for SharePoint Foundation 2013 (KB4486761)

SharePoint Foundation 2013

Description of the security update for SharePoint Foundation 2013: December 8, 2020 (KB4493138)

SharePoint Foundation 2013

Description of the security update for SharePoint Foundation 2013: December 8, 2020 (KB4486696)


Microsoft SharePoint Server 2010

Product

Knowledge Base article title and number

Project Server 2010

December 8, 2020, cumulative update for Project Server 2010 (KB4493144)

SharePoint Foundation 2010

Description of the security update for SharePoint Foundation 2010: December 8, 2020 (KB4493149)

SharePoint Server 2010

December 8, 2020, cumulative update for SharePoint Server 2010 (KB4493146)

SharePoint Server 2010

Description of the security update for SharePoint Server 2010: December 8, 2020 (KB4486697)

SharePoint Server 2010 Office Web Apps

Description of the security update for SharePoint Server 2010 Office Web Apps: December 8, 2020 (KB4486704)

ヘルプを表示

スキルを磨く
トレーニングの探索
新機能を最初に入手
Microsoft Insider に参加する

この情報は役に立ちましたか?

どのような要因がお客様の操作性に影響しましたか?

フィードバックをお送りいただきありがとうございます!

×