Introduction

Microsoft released the following security and nonsecurity updates for Office in August 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 August 2020

Microsoft Office 2016

Product

Knowledge Base article title and number

Access 2016

Description of the security update for Access 2016: August 11, 2020 (KB4484340)

Excel 2016

Description of the security update for Excel 2016: August 11, 2020 (KB4484465)

Office 2016

August 4, 2020, update for Office 2016 (KB4484418)

Office 2016

Description of the security update for Office 2016: August 11, 2020 (KB4484431)

Office 2016

Description of the security update for Office 2016: August 11, 2020 (KB4484346)

Outlook 2016

Description of the security update for Outlook 2016: August 11, 2020 (KB4484475)

Project 2016

August 4, 2020, update for Project 2016 (KB4484477)

Skype for Business 2016

August 4, 2020, update for Skype for Business 2016 (KB4484464)

Word 2016

Description of the security update for Word 2016: August 11, 2020 (KB4484474)


Microsoft Office 2013

Product

Knowledge Base article title and number

Access 2013

Description of the security update for Access 2013: August 11, 2020(KB4484366)

Excel 2013

Description of the security update for Excel 2013: August 11, 2020 (KB4484449)

Office 2013

Description of the security update for Office 2013: August 11, 2020 (KB4484354)

Office 2013

Description of the security update for Office 2013: August 11, 2020 (KB4484359)

Outlook 2013

Description of the security update for Outlook 2013: August 11, 2020 (KB4484486)

Word 2013

Description of the security update for Word 2013: August 11, 2020 (KB4484484)


Microsoft Office 2010

Product

Knowledge Base article title and number

Access 2010

Description of the security update for Access 2010: August 11, 2020 (KB4484385)

Excel 2010

Description of the security update for Excel 2010: August 11, 2020 (KB4484461)

Office 2010

August 4, 2020, update for Office 2010 (KB4484454)

Office 2010

Description of the security update for Office 2010: August 11, 2020 (KB4484379)

Office 2010

Description of the security update for Office 2010: August 11, 2020 (KB4484375)

Office 2010

Description of the security update for Office 2010: August 11, 2020 (KB4484492)

Outlook 2010

Description of the security update for Outlook 2010: August 11, 2020 (KB4484497)

PowerPoint 2010

August 4, 2020, update for PowerPoint 2010 (KB4092435)

Word 2010

Description of the security update for Word 2010: August 11, 2020 (KB4484494)


Microsoft SharePoint Server 2019

Product

Knowledge Base article title and number

Office Online Server

Description of the security update for Office Online Server: August 11, 2020 (KB4484470)

SharePoint Server 2019

Description of the security update for SharePoint Server 2019: August 11, 2020 (KB4484472)

SharePoint Server 2019 Language Pack

Description of the security update for SharePoint Server 2019 Language Pack: August 11, 2020 (KB4484471)


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: August 11, 2020 (KB4484473)

SharePoint Enterprise Server 2016

Description of the security update for SharePoint Enterprise Server 2016: August 11, 2020 (KB4484476)


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: August 11, 2020 (KB4484481)

Project Server 2013

August 11, 2020, cumulative update for Project Server 2013 (KB4484483)

SharePoint Enterprise Server 2013

August 11, 2020, cumulative update for SharePoint Enterprise Server 2013 (KB4484485)

SharePoint Enterprise Server 2013

Description of the security update for SharePoint Enterprise Server 2013: August 11, 2020 (KB4484479)

SharePoint Enterprise Server 2013

Description of the security update for SharePoint Enterprise Server 2013: August 11, 2020 (KB4484478)

SharePoint Enterprise Server 2013

Description of the security update for SharePoint Enterprise Server 2013: August 11, 2020 (KB4484183)

SharePoint Foundation 2013

August 11, 2020, cumulative update for SharePoint Foundation 2013 (KB4484482)

SharePoint Foundation 2013

Description of the security update for SharePoint Foundation 2013: August 11, 2020 (KB4484487)


Microsoft SharePoint Server 2010

Product

Knowledge Base article title and number

Project Server 2010

August 11, 2020, cumulative update for Project Server 2010 (KB4484493)

SharePoint Foundation 2010

Description of the security update for SharePoint Foundation 2010: August 11, 2020 (KB4484462)

SharePoint Server 2010

August 11, 2020, cumulative update for SharePoint Server 2010 (KB4484496)

SharePoint Server 2010

Description of the security update for SharePoint Server 2010: August 11, 2020 (KB4484498)

SharePoint Server 2010

Description of the security update for SharePoint Server 2010: August 11, 2020 (KB4484490)

SharePoint Server 2010

Description of the security update for SharePoint Server 2010: August 11, 2020 (KB4484191)

SharePoint Server 2010 Office Web Apps

Description of the security update for SharePoint Server 2010 Office Web Apps: August 11, 2020 (KB4484495)

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