Microsoft Software Updates

Office 365: A guide to the updates

Get the latest info on feature, bug fix and security updates for Office 365 for Windows as they roll out from Microsoft. Now updated for Version 1801 (Build 9001.2171), released on Feb. 13, 2018.

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Microsoft Software Updates

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Office 365 subscribers always have the latest version of Microsoft Office — currently Office 2016. They also get more frequent software updates than those who have purchased Office 2016 without a subscription, which means subscribers have access to the latest features, security patches and bug fixes. But it can be hard to keep track of the changes in each update and know when they’re available. We’re doing for you, so you don’t have to.

Following are key updates to Office 365 for Windows since Office 2016 was released in September 2015 — all the 2017 updates and the most important ones from 2016 and late 2015, with the latest releases shown first. We’ll add info about new updates as they’re rolled out.

Note: This story covers updates released to regular Office 365 for Windows subscribers. If you’re a member of Microsoft’s Office Insider preview program or want to get a sneak peek at upcoming features, see the company’s “What’s new for Office Insiders” page.

Version 1712 (Build 8827.2148)

Release date: January 17, 2018

This non-security update adds a variety of minor features throughout the Office suite. Excel, PowerPoint, Outlook, Visio, and Word can now transform SVG pictures and icons into Office shapes so their color, size, and texture can be changed. An issue was fixed in Excel in which workbook references failed when opening multiple workbooks by double-clicking on the file names in File Explorer. In PowerPoint, you can add animations to 3D models. Skype for Business gets a number of minor additions, including a new call transfer button in the toast user interface for incoming PSTN calls.

Get more information about Version 1712 (Build 8827.2148) by going to the Office 365 client update channel release page: On the left side of the screen, choose the Monthly channel and select “2018” and “January.”

Version 1711 (Build 8730.2175)

Release date: January 9, 2018

This security update fixes 14 security holes in Outlook, Excel, Word and the entire Office suite. It fixes a number of separate remote code execution vulnerabilities in each of those applications and the entire suite, in which an attacker can run arbitrary code or take control of the entire system if the current user is logged on with administrative user rights. It also fixes several memory corruption vulnerabilities in Word, which would allow an attacker to take control of the entire system if the current user is logged on with administrative user rights.

What IT needs to know: Because this is a security update, it should be applied soon. Over the next few days, check for reports about problematic issues, and if all seems well, apply the update.

Get more information about Version 1711 (Build 8730.2175) by going to the Office 365 client update channel release page: On the left side of the screen choose the Monthly channel and select “2018” and “January.”

Version 1711 (Build 8730.2165)

Release date: January 2, 2018

This very minor update fixes two bugs. It resolves a PowerPoint issue in which removing document properties and personal information prevents saving to SharePoint. And it fixes a Project issue in which VBA code gets lost from projects.

Get more information about Version 1711 (Build 8730.2165) by going to the Office 365 client update channel release page: On the left side of the screen, choose the Monthly channel and select “2018” and “January.”

Version 1711 (Build 8730.2127)

Release date: December 12, 2017

This security update fixes one vulnerability in Outlook and one in PowerPoint. It fixes the Microsoft Office Information Disclosure Vulnerability in Outlook, in which an attacker could potentially extract plain-text content from DRM-protected draft emails because Outlook failed to enforce copy/paste permissions on them. It also fixes a Microsoft PowerPoint Information Disclosure Vulnerability that would allow an attacker to craft a special document file, convince a user to open it, and then compromise the user’s computer and its data.

What IT needs to know: Because this is a security update, it should be applied soon. Over the next few days, check for reports about problematic issues, and if all seems well, apply the update.

Get more information about Version 1711 (Build 8730.2127) by going to the Office 365 client update channel release page: On the left side of the screen, choose the Monthly channel and select “2017” and “December.”

Version 1711 (Build 8730.2122)

Release date: December 6, 2017

This non-security update adds two very minor features and has a variety of bug fixes. In PowerPoint, when you export a presentation to video, you can now save it in Ultra HD (4K) resolution. In Word, you can have the status bar display a document’s word count as you type. Enable the option from the Customize Status Bar menu.

Project has six bug fixes, including one where the application hangs when using the Task Path feature, and another in which you can't drag tasks in the Timeline and Team Planner view. Skype for Business has nine bug fixes, including for one in which LinkedIn data does not appear in the Skype for Business Contact Card, and another in which in Conversation History, the caller is shown instead of the called person. This would happen when the called person's work number is modified using Active Directory.

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Get more information about Version 1711 (Build 8730.2122) by going to Office 365 client update channel release page: On the left side of the screen choose the Monthly channel and select “2017” and “December.”

Version 1710 (Build 8625.2139)

Release date: November 22, 2017

This extremely minor update has only two bug fixes. It fixes an issue in which users incorrectly see a "catastrophic failure" error message when opening an Office 2007 or older workbook (.xls or .xla) with macros. And it also fixes a bug in which Office crashes when users try to activate Office using the Activate Office dialog box.

Get more information about Version 1710 (Build 8625.2139) by going to Office 365 client update channel release page: On the left side of the screen choose the Monthly channel and select “2017” and “November.”

Version 1710 (Build 8625.2132)

Release date: November 20, 2017

This update focuses on minor bug fixes, including one in which Excel crashes when a user tries to insert an object in an existing workbook and clicks Browse, and another in Excel in which the dialog box to enter the password to unlock a protected range isn’t visible. The entire Office suite also received minor bug fixes for several issues, including one with zooming and scaling in Office Add-ins under dynamic DPI environment.

Get more information about Version 1710 (Build 8625.2132) by going to the Office 365 client update channel release page: On the left side of the screen choose the Monthly channel and select “2017” and “November.”

Version 1710 (Build 8625.2127)

Release date: November 14, 2017

This update focuses primarily on security. Included are three fixes to Excel security holes, including two memory corruption vulnerabilities and one security feature bypass vulnerability. In addition, Word and the entire Office suite received security fixes. Also included is a fix to a bug in Excel in which users couldn’t close a workbook in protected view when the file name contained square brackets.

What IT needs to know: Because this is a security update, it should be applied soon. Over the next few days, check for reports about problematic issues, and if all seems well, apply the update.

Get more information about Version 1710 (Build 8625.2127) by going to the Office 365 client update channel release page: On the left side of the screen, choose the Monthly channel and select “2017” and “November.”

Version 1710 (Build 8625.2121)

Release date: November 2, 2017

This non-security feature update adds a few minor capabilities and fixes several issues. Word, PowerPoint and Excel all get a new pencil-like digital pen texture. You can also now use Microsoft Translator from directly in Word and translate words, phrases or the entire document. Project gets a variety of bug fixes, including one in which graphical indicators weren’t displaying correctly.

Get more information about Version 1710 (Build 8625.2121) by going to the Office 365 client update channel release page: On the left side of the screen choose the Monthly channel and select “2017” and “November.”

Version 1709 (Build 8528.2139)

Release date: October 16, 2017

This non-security feature update adds a few minor capabilities and fixes a number of bugs. Word gets a SharePoint property panel that lets you display and edit SharePoint document library column values from within a document via a new button on the View tab. In PowerPoint, you can now run a slideshow using a digital pen on a touchscreen device — a feature that requires the Windows 10 Fall Creators Update. Among the bugs fixed is one in which Project can crash when going to reports that contain several images.

Get more information about Version 1709 (Build 8528.2139) by going to the Office 365 client update channel release page: On the left side of the screen choose the Monthly channel and select “2017” and “October.”

Version 1708 (Build 8431.2107)

Release date: October 10, 2017

This security update plugs holes in Outlook, Word and the entire Office suite.  Outlook gets two fixes, one for a security feature bypass vulnerability and another for an information disclosure vulnerability. Word gets one security fix, for a memory corruption vulnerability, and the entire suite gets one for a remote code execution vulnerability.

What IT needs to know: Because of the security fixes in this update, it should be applied soon. Over the next few days, check for reports about problematic issues, and if all seems well, apply the update.

Get more information about Version 1708 (Build 8431.2107) by going to Office 365 client update channel release page. On the left side of the screen, choose the Monthly channel and select “2017” and “October.”

Version 1708 (Build 8431.2094)

Release date: October 4, 2017

This non-security, non-feature update fixes a wide variety of bugs – 10 in Excel alone. Among the Excel fixes is one where Excel crashes when opening an .XLL file, and another in which the AutoSave toggle isn't visible. In Outlook, one of the issues fixed is when Outlook crashes when the user is trying to set up a new account and they close the window without completing the account setup. Word, PowerPoint and Access also get a variety of miscellaneous fixes.

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