Introduction

Microsoft released the following security and nonsecurity updates for Office in October 2021. 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, select 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 October 2021

Microsoft Office 2016

Product

Knowledge Base article title and number

Access 2016

October 5, 2021, update for Access 2016 (KB5001978)

Excel 2016

Description of the security update for Excel 2016: October 12, 2021 (KB5002030)

Office 2016

Description of the security update for Office 2016: October 12, 2021 (KB5001982)

Office 2016

Description of the security update for Office 2016: October 12, 2021 (KB4461476)

Office 2016

October 5, 2021, update for Office 2016 (KB4486711)

Office 2016

October 5, 2021, update for Office 2016 (KB3114524)

Office 2016

October 5, 2021, update for Office 2016 (KB4462197)

Outlook 2016

October 5, 2021, update for Outlook 2016 (KB5001998)

Word 2016

Description of the security update for Word 2016: October 12, 2021 (KB5002004)

Microsoft Office 2013

Product

Knowledge Base article title and number

Excel 2013

Description of the security update for Excel 2013: October 12, 2021 (KB5002043)

Office 2013

Description of the security update for Office 2013: October 12, 2021 (KB5001985)

Office 2013

Description of the security update for Office 2013: October 12, 2021 (KB4018332)

Word 2013

Description of the security update for Word 2013: October 12, 2021 (KB5001960)

Microsoft SharePoint Server 2019

Product

Knowledge Base article title and number

Office Online Server

Description of the security update for Office Online Server: October 12, 2021 (KB5002027)

SharePoint Server 2019

Description of the security update for SharePoint Server 2019: October 12, 2021 (KB5002028)

SharePoint Server 2019 Language Pack

October 12, 2021, update for SharePoint Server 2019 Language Pack (KB5002034)

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: October 12, 2021 (KB5002029)

SharePoint Enterprise Server 2016

Description of the security update for SharePoint Enterprise Server 2016: October 12, 2021 (KB5002006)

Microsoft SharePoint Server 2013

Product

Knowledge Base article title and number

Office Web Apps Server

Description of the security update for Office Web Apps Server 2013: October 12, 2021 (KB5002036)

Project Server 2013

October 12, 2021, cumulative update for Project Server 2013 (KB5002039)

SharePoint Enterprise Server 2013

Description of the security update for SharePoint Enterprise Server 2013: October 12, 2021 (KB5001924)

SharePoint Enterprise Server 2013

Description of the security update for SharePoint Enterprise Server 2013: October 12, 2021 (KB4493202)

SharePoint Enterprise Server 2013

October 12, 2021, cumulative update for SharePoint Enterprise Server 2013 (KB5002040)

SharePoint Foundation 2013

Description of the security update for SharePoint Foundation 2013: October 12, 2021 (KB5002042)

SharePoint Foundation 2013

October 12, 2021, cumulative update for SharePoint Foundation 2013 (KB5002037)

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