This article describes update KB3172501 for Microsoft Office 2013, which was released on June 6, 2017. This update also applies to Office Home and Student 2013 RT. This update has a prerequisite.

Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2013. It doesn't apply to the Office 2013 Click-to-Run editions, such as Microsoft Office 365 Home. (How to determine?)

Improvements and fixes

  • Add-ins can display special characters in the caption now.

  • Improves the session lifetime of Internet Explorer.

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. The updates in the Download Center can't be installed on Office Home and Student 2013 RT.

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

Prerequisite

To apply this update, you must have Microsoft Office 2013 Service Pack 1 installed.

Restart information

You 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 2013 application, such as Microsoft Word 2013.

  2. On the File menu, select Account.

  3. For Office 2013 Click-to-Run installations, an Update Options item is displayed. For MSI-based installations, the Update Options item isn't displayed.

Office 2013 Click-to-Run installation

MSI-based Office 2013

The screenshot for Word Click To Run

The screenshot for Word MSI

How to uninstall this update

Windows 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 then select update KB3172501, and then select Uninstall.

Windows 8 and Windows 8.1

  1. Swipe in from the right edge of the screen, and then tap 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 then select update KB3172501, 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 then select update KB3172501, and then select Uninstall.

References

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

File information

x86

osfclient-x-none.msp file information

File identifier

File name

File version

File size

Date

Time

Msosb.dll

Msosb.dll

15.0.4825.1000

68,344

16-May-2017

04:36

Msoth.dll

Msoth.dll

15.0.4931.1000

102,144

16-May-2017

04:36

Osf.dll

Osf.dll

15.0.4937.1000

1,007,360

16-May-2017

04:36

Osfintl.dll_1033

Osfintl.dll

15.0.4937.1000

244,480

16-May-2017

04:36

Osfproxy.dll

Osfproxy.dll

15.0.4855.1000

38,144

16-May-2017

04:36

Osfroamingproxy.dll

Osfroamingproxy.dll

15.0.4855.1000

38,144

16-May-2017

04:36

Osfshared.dll

Osfshared.dll

15.0.4937.1000

127,232

16-May-2017

04:36

Osfui.dll

Osfui.dll

15.0.4875.1000

300,288

16-May-2017

04:36

x64

osfclient-x-none.msp file information

File identifier

File name

File version

File size

Date

Time

Msosb.dll.x86

Msosb.dll.x86

15.0.4825.1000

68,344

16-May-2017

04:40

Msoth.dll.x86

Msoth.dll.x86

15.0.4931.1000

102,144

16-May-2017

04:40

Osfproxy.dll.x86

Osfproxy.dll.x86

15.0.4855.1000

38,144

16-May-2017

04:40

Osfroamingproxy.dll.x86

Osfroamingproxy.dll.x86

15.0.4855.1000

38,144

16-May-2017

04:40

Msosb.dll

Msosb.dll

15.0.4825.1000

90,368

16-May-2017

04:36

Msoth.dll

Msoth.dll

15.0.4931.1000

139,008

16-May-2017

04:36

Osf.dll

Osf.dll

15.0.4937.1000

1,500,928

16-May-2017

04:36

Osfintl.dll_1033

Osfintl.dll

15.0.4937.1000

244,472

16-May-2017

04:36

Osfproxy.dll

Osfproxy.dll

15.0.4855.1000

44,288

16-May-2017

04:36

Osfroamingproxy.dll

Osfroamingproxy.dll

15.0.4855.1000

44,288

16-May-2017

04:36

Osfshared.dll

Osfshared.dll

15.0.4937.1000

191,744

16-May-2017

04:36

Osfui.dll

Osfui.dll

15.0.4875.1000

456,448

16-May-2017

04:36

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