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This article describes update KB3128052 for Microsoft Office 2016, which was released on February 7, 2017. This update has a prerequisite.

Be aware that the update on the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. It doesn't apply to the Office 2016 Click-to-Run editions, such as Microsoft Office 365 Home. (How to determine?)

Improvements and fixes

  • This update adds the In-Client Store feature that enables you to install and disable web extensions (add-ins) in the Microsoft Installer (.msi)-based edition of Outlook 2016.

  • This update fixes the following bug:

    • When you click the Marketplace button in Office 2016 applications, Office 2016 applications do not use SSL to load the app store.

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.

Microsoft scanned this file for viruses by using the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to it.

Update information

PrerequisiteTo apply this update, you must have Microsoft Office 2016 installed.

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

More information

To determine whether your Office installation is Click-to-Run or MSI-based, follow these steps:

  1. Start an Office 2016 application.

  2. On the File menu, select Account.

  3. For Office 2016 Click-to-Run installations, an Update Options item is displayed. For MSI-based installations, the Update Options item isn't displayed.

Office 2016 Click-to-Run installation

MSI-based Office 2016

The screenshot for Word click to run

The screenshot for Word MSI

How to uninstall this updateWindows 10

  1. Go to Start, enter View Installed Updates in the Search Windows box, and then press Enter.

  2. In the list of updates, locate and select KB3128052, and then select Uninstall.

Windows 8 and Windows 8.1

  1. Swipe in from the right edge of the screen, and then select Search. If you're using a mouse, point to the lower-right corner of the screen, and then select Search.

  2. Enter windows update, select Windows Update, and then select Installed Updates.

  3. In the list of updates, locate and select KB3128052, and then select Uninstall.

Windows 7

  1. Go to Start, enter Run, and then select Run.

  2. Enter Appwiz.cpl, and then select OK.

  3. Select View installed updates.

  4. In the list of updates, locate and select KB3128052, and then select Uninstall.


References

Learn 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 informationThe global version of this update has the file attributes (or later file attributes) that are listed in the following table. 

x86

File identifier

File name

File version

File size

Date

Time

Minsbproxy.dll

Minsbproxy.dll

16.0.4384.1000

42,752

31-Jan-2017

18:28

Minsbroamingproxy.dll

Minsbroamingproxy.dll

16.0.4384.1000

42,744

31-Jan-2017

18:28

Msosb.dll

Msosb.dll

16.0.4471.1000

151,808

31-Jan-2017

18:28

Osf.dll

Osf.dll

16.0.4498.1000

1,127,168

31-Jan-2017

18:28

Osfintl.dll_1033

Osfintl.dll

16.0.4498.1002

251,648

01-Feb-2017

17:12

Osfproxy.dll

Osfproxy.dll

16.0.4384.1000

42,744

31-Jan-2017

18:28

Osfroamingproxy.dll

Osfroamingproxy.dll

16.0.4384.1000

42,752

31-Jan-2017

18:28

Osfshared.dll

Osfshared.dll

16.0.4495.1000

141,568

31-Jan-2017

18:28

Osfui.dll

Osfui.dll

16.0.4498.1002

341,760

01-Feb-2017

16:33

Websb.dll

Websandbox.dll

16.0.4498.1000

595,712

31-Jan-2017

18:28

x64

File identifier

File name

File version

File size

Date

Time

Minsbproxy.dll.x86

Minsbproxy.dll.x86

16.0.4384.1000

42,752

31-Jan-2017

18:35

Minsbroamingproxy.dll.x86

Minsbroamingproxy.dll.x86

16.0.4384.1000

42,744

31-Jan-2017

18:35

Msosb.dll.x86

Msosb.dll.x86

16.0.4471.1000

151,808

31-Jan-2017

18:35

Osfproxy.dll.x86

Osfproxy.dll.x86

16.0.4384.1000

42,744

31-Jan-2017

18:35

Osfroamingproxy.dll.x86

Osfroamingproxy.dll.x86

16.0.4384.1000

42,752

31-Jan-2017

18:35

Minsbproxy.dll

Minsbproxy.dll

16.0.4384.1000

49,408

31-Jan-2017

18:34

Minsbroamingproxy.dll

Minsbroamingproxy.dll

16.0.4384.1000

49,408

31-Jan-2017

18:34

Msosb.dll

Msosb.dll

16.0.4471.1000

213,760

31-Jan-2017

18:34

Osf.dll

Osf.dll

16.0.4495.1000

1,748,224

31-Jan-2017

18:34

Osfintl.dll_1033

Osfintl.dll

16.0.4498.1002

251,648

01-Feb-2017

17:09

Osfproxy.dll

Osfproxy.dll

16.0.4384.1000

49,400

31-Jan-2017

18:34

Osfroamingproxy.dll

Osfroamingproxy.dll

16.0.4384.1000

49,408

31-Jan-2017

18:34

Osfshared.dll

Osfshared.dll

16.0.4495.1000

224,512

31-Jan-2017

18:34

Osfui.dll

Osfui.dll

16.0.4498.1002

495,872

01-Feb-2017

16:35

Websb.dll

Websandbox.dll

16.0.4495.1000

846,080

31-Jan-2017

18:34

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