
For details, see Release notes for Microsoft Office security updates. This build fixes a number of security holes. It also fixes two bugs, one in Excel in which when you inserted a People Graph add-in in RTL Excel, the application closed unexpectedly, and another in PowerPoint in which you could not add or copy/paste a new slide to the presentation. This build makes several improvements in Excel’s pivot tables, including new data support for pivot tables connected to Power BI, as well as new alerts about pivot table compatibility issues and providing documentation and workarounds for them. This build fixes a variety of bugs, including one in Excel in which when clicking on an email notification of an in a comment, the Excel app would close unexpectedly if the workbook was already open and was in a hidden window, and one for the entire Office suite that caused users to experience the application to close unexpectedly when clicking on some non-HTTP links. Three bugs have also been fixed, including one in which when clicking on an email notification of in a comment, the Excel app would close unexpectedly if the workbook was already open and was in a hidden window. Now, when you choose a sensitivity label configured for user-defined permissions, domain names can be used to restrict file access to all individuals from that domain. This build offers several new features, including one for Excel, Word, and PowerPoint in which user-defined permissions support domain name restrictions.

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Over the next few weeks, check for reports about problematic issues, and if all seems well, apply the update. What IT needs to know: Because this is a security update, it should be applied relatively soon. It also fixes a number of security holes.

Do you still want to open it?" may appear when creating Word documents through automation using templates.

This build fixes a variety of bugs, including one in Outlook that caused users to see an inaccurate count of the number of new notifications present when opening the notification pane, and another in which the error message "The last time you opened filename, it caused serious error. This build fixes two bugs, one in Outlook in which some settings did not roam between machines when switching to Focused Inbox, and another in Project in which the task pane add-in API for Microsoft Project was not returning the proper value for the Summary, Milestone, and Active properties.
