Introduction

Microsoft released the following security and nonsecurity updates for Office in September 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 September 2021

Microsoft Office 2016

Product

Knowledge Base article title and number

Excel 2016

Description of the security update for Excel 2016: September 14, 2021 (KB5002003)

Office 2016

Description of the security update for Office 2016: September 14, 2021 (KB5002005)

Office 2016

Description of the security update for Office 2016: September 14, 2021 (KB5001997)

Office 2016

Description of the security update for Office 2016: September 14, 2021 (KB4484103)

Office 2016

September 7, 2021, update for Office 2016 (KB4484467)

Microsoft Office 2013

Product

Knowledge Base article title and number

Excel 2013

Description of the security update for Excel 2013: September 14, 2021 (KB5002014)

Office 2013

Description of the security update for Office 2013: September 14, 2021 (KB5002007)

Office 2013

Description of the security update for Office 2013: September 14, 2021 (KB5001958)

Office 2013

Description of the security update for Office 2013: September 14, 2021 (KB4484108)

Microsoft SharePoint Server 2019

Product

Knowledge Base article title and number

Office Online Server

Description of the security update for Office Online Server: September 14, 2021 (KB5001999)

SharePoint Server 2019

Description of the security update for SharePoint Server 2019: September 14, 2021 (KB5002018)

SharePoint Server 2019 Language Pack

September 14, 2021, update for SharePoint Server 2019 Language Pack (KB5002019)

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: September 14, 2021 (KB5002020)

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: September 14, 2021 (KB5002009)

Project Server 2013

September 14, 2021, cumulative update for Project Server 2013 (KB5002022)

SharePoint Enterprise Server 2013

September 14, 2021, cumulative update for SharePoint Enterprise Server 2013 (KB5002023)

SharePoint Foundation 2013

Description of the security update for SharePoint Foundation 2013: September 14, 2021 (KB5002024)

SharePoint Foundation 2013

September 14, 2021, cumulative update for SharePoint Foundation 2013 (KB5002021)

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