August 9, 2016, update for Excel 2010 (KB3115476)

Applies to: Microsoft Office 2010 Service Pack 2Excel 2010

This article describes update KB3115476 for Microsoft Excel 2010, which was released on August 9, 2016. This update has a prerequisite.

Improvements and fixes

Fixes the following issue:

Excel 2010 silently blocks the loading of untrusted HTML files. This issue occurs after you install MS16-088: Description of the security update for Excel 2010: July 12, 2016 (KB3115322). After you install this new update, Excel 2010 will open HTML documents (even if they're renamed as .xls files) in protected view instead of silently failing.

How to download and install the update

Microsoft Update

Use Microsoft Update to automatically download and install the update.

Download Center

This update is also available for manual download and installation from the Microsoft Download Center. If you're not sure what platform (32-bit or 64-bit) you're running, see Am I running 32-bit or 64-bit Office? Additionally, see more information about how to download Microsoft support files.

Update information


To apply this update, you must have Microsoft Office 2010 Service Pack 2 installed.

Restart information

You may have to restart the computer after you install this update.


See the information about the standard terminology that's used to describe Microsoft software updates . The Office System TechCenter contains the latest administrative updates and strategic deployment resources for all versions of Office.

File Information

The global version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it's converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.