August 11, 2015, update for Project 2010 (KB3055050)

Applies to: Microsoft Project 2010 Service Pack 2

This article describes update KB3055050 for Microsoft Project 2010 that was released on August 11, 2015. This update has a prerequisite.

Improvements and fixes

Fixes the following issues:
  • Consider the following:
    • You use Project 2010 to open a project file (.mpp) from a SharePoint document library.
    • You save the file to a nondefault file format such as .txt, csv, or xlsx.
    • You keep the MPP file open.
    • You make some changes to the project, and then save it.
    • You save the project.
    In this scenario, the changes that you made to the MPP file are not saved properly.
  • When you open a project in Project Professional, you may find that local custom fields are copied from the enterprise global template into your project. The enterprise global should not have local custom fields in it, and these fields should not be copied to individual projects. This fix prevents these fields from getting into the Global template and then getting incorrectly copied into your project and overwriting local custom fields that you may have already defined.
  • When you open an XML project file in Project 2010, a milestone task that is marked as completed may incorrectly be set to 99%.

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 are not sure what platform (32-bit or 64-bit) you are running, see Am I running 32-bit or 64-bit Office? Additionally, see more information about how to download Microsoft support files .

Update information

Restart information

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


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

More Information


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