Introduction

Microsoft released the following security and nonsecurity updates for Office in April 2018. 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 April 2018

Microsoft Office 2016

Product

Knowledge Base article title and number

Excel 2016

Description of the security update for Excel 2016: April 10, 2018 (KB4018337)

Office 2016

Description of the security update for Office 2016: April 10, 2018 (KB4011628)

Office 2016

Description of the security update for Office 2016: April 10, 2018 (KB4018319)

Office 2016

Description of the security update for Office 2016: April 10, 2018 (KB4018328)

Office 2016

April 3, 2018, update for Office 2016 (KB4018322)

Office 2016

April 3, 2018, update for Office 2016 (KB4011667)

Office 2016 Language Interface Pack

April 3, 2018, update for Office 2016 Language Interface Pack (KB4018329)

Outlook 2016

April 3, 2018, update for Outlook 2016 (KB4018326)

PowerPoint 2016

April 3, 2018, update for PowerPoint 2016 (KB4011726)

Project 2016

April 3, 2018, update for Project 2016 (KB4018320)

Skype for Business 2016

April 3, 2018, update for Skype for Business 2016 (KB4018323)

Word 2016

Description of the security update for Word 2016: April 10, 2018 (KB4018339)

Microsoft Office 2013

Product

Knowledge Base article title and number

Excel 2013

Description of the security update for Excel 2013: April 10, 2018 (KB4018350)

Office 2013

Description of the security update for Office 2013: April 10, 2018 (KB4018288)

Office 2013

Description of the security update for Office 2013: April 10, 2018 (KB4018330)

Office 2013

April 3, 2018, update for Office 2013 (KB4018333)

Office 2013

April 3, 2018, update for Office 2013 (KB3178636)

Outlook 2013

April 3, 2018, update for Outlook 2013 (KB4018303)

PowerPoint 2013

April 3, 2018, update for PowerPoint 2013 (KB4018289)

Project 2013

April 3, 2018, update for Project 2013 (KB4018335)

Skype for Business 2015 (Lync 2013)

April 3, 2018, update for Skype for Business 2015 (Lync 2013) (KB4018334)

Word 2013

Description of the security update for Word 2013: April 10, 2018 (KB4018347)

Office 2010

Product

Knowledge Base article title and number

Excel 2010

Description of the security update for Excel 2010: April 10, 2018 (KB4018362)

Office 2010

Description of the security update for Office 2010: April 10, 2018 (KB4018357)

Office 2010

Description of the security update for Office 2010: April 10, 2018 (KB4018311)

Outlook 2010

April 3, 2018, update for Outlook 2010 (KB4018317)

PowerPoint 2010

April 3, 2018, update for PowerPoint 2010 (KB2965234)

PowerPoint Viewer 2010

April 3, 2018, update for PowerPoint Viewer 2010 (KB4018312)

Project 2010

April 3, 2018, update for Project 2010 (KB3128038) (KB3128038)

Word 2010

Description of the security update for Word 2010: April 10, 2018 (KB4018359)

Office 2007

Product

Knowledge Base article title and number

Excel 2007

Description of the security update for Excel 2007: April 10, 2018 (KB4018353)

Excel Viewer 2007

Description of the security update for Excel Viewer 2007: April 10, 2018 (KB4011719)

Office Compatibility Pack Service Pack 3

Description of the security update for Microsoft Office Compatibility Pack Service Pack 3: April 10, 2018 (KB4011717)

Office Compatibility Pack Service Pack 3

Description of the security update for Microsoft Office Compatibility Pack Service Pack 3: April 10, 2018 (KB4018354)

Word 2007

Description of the security update for Word 2007: April 10, 2018 (KB4018355)

SharePoint Server 2016

Product

Knowledge Base article title and number

SharePoint Enterprise Server 2016

April 10, 2018, update for SharePoint Enterprise Server 2016 (KB4018340)

SharePoint Enterprise Server 2016

Description of the security update for SharePoint Enterprise Server 2016: April 10, 2018 (KB4018336)

SharePoint Server 2013, Project Server 2013, and SharePoint Foundation 2013

Product

Knowledge Base article title and number

Office Web Apps Server 2013

Description of the security update for Office Web Apps Server 2013: April 10, 2018 (KB4018344)

Project Server 2013

April 10, 2018, update for Project Server 2013 (KB4018352)

Project Server 2013

April 10, 2018, cumulative update for Project Server 2013 (KB4018346)

SharePoint Enterprise Server 2013

Description of the security update for SharePoint Enterprise Server 2013: April 10, 2018 (KB4018342)

SharePoint Enterprise Server 2013

Description of the security update for SharePoint Enterprise Server 2013: April 10, 2018 (KB4018341)

SharePoint Enterprise Server 2013

April 10, 2018, update for SharePoint Enterprise Server 2013 (KB4011655)

SharePoint Enterprise Server 2013

April 10, 2018, cumulative update for SharePoint Enterprise Server 2013 (KB4018348)

SharePoint Enterprise Server 2013

Description of the security update for SharePoint Server 2013: April 10, 2018 (KB4011586)

SharePoint Enterprise Server 2013

Description of the security update for SharePoint Enterprise Server 2013: April 10, 2018 (KB4018343)

SharePoint Foundation 2013

April 10, 2018, update for SharePoint Foundation 2013 (KB4018349)

SharePoint Foundation 2013

April 10, 2018, cumulative update for SharePoint Foundation 2013 (KB4018345)

SharePoint Server 2010

Product

Knowledge Base article title and number

Project Server 2010

April 10, 2018, cumulative update for Project Server 2010 (KB4018358)

SharePoint Server 2010

April 10, 2018, cumulative update for SharePoint Server 2010 (KB4018361)

SharePoint Server 2010

Description of the security update for SharePoint Server 2010: April 10, 2018 (KB4011712)

SharePoint Server 2010 Office Web Apps

Description of the security update for SharePoint Server 2010 Office Web Apps: April 10, 2018 (KB4018360)

Word Automation Services on Microsoft SharePoint Server 2010

Description of the security update for Word Automation Services on Microsoft SharePoint Server 2010 : April 10, 2018 (KB4018356)

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