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Notice

This update is no longer available. To fix the issues that are described in this article, install the latest Microsoft Office update from the following Microsoft Learn article:

Latest updates for versions of Office that use Windows Installer (MSI)

This article describes update KB2910921 for Microsoft Office 2013 that was released on February 10, 2015. This update also applies to Office Home and Student 2013 RT. This update has a prerequisite.



Please be aware that the update in Download Center applies to Microsoft Installer (.msi)-based edition of Office 2013. It does not apply to the Office 2013 Click-to-Run editions such as Microsoft Office 365 Home. (How to determine?).
 

Improvements and Fixes

  • Improves performance of apps for Office in the following scenarios:

    • Trusts and activates an app for Office from the Office store for the first time.

    • Loads a document that contains one or more apps for Office.

  • Fixes the following issues:

    • Consider the following scenario:

      • You sign in with your Microsoft account in Office 2013.

      • You enable the two-step verification feature for your Microsoft account.

      • You are prompted to verify your identity when you try to insert an app for Office.

      In this scenario, the app is not activated after you verify your identity.
       

    • When you input invalid data into a cell that has validation criteria set and then focus on an Office Store application in an Excel 2013 workbook, you receive a dialog box that states there is a data validation error as expected. However, you cannot interact with the dialog box and Excel 2013 stops responding.

    • Consider the following scenario:

      • You sign in with your Microsoft account in Office 2013.

      • You enable the two-step verification feature for your Microsoft account.

      • The Account tab in the Office 2013 application has an Account Error message and a Fix Me button.

      In this scenario, the Fix Me button does not fix the account error.
       

Update information

Restart information

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

 

Prerequisites

To install this hotfix package, you must have Microsoft Office 2013 or Microsoft Office 2013 Service Pack 1 installed.
 

More Information

How to determine whether my Office installation is Click-to-Run or MSI-based:

  1. Start an Office 2013 application, such as Microsoft Word 2013.

  2. On the File menu, click Account.

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

Office 2013 Click-to-Run installation

MSI-based Office 2013

The screenshot for Word Click To Run

The screenshot for Word MSI

This update contains the files that are listed in the following tables.

32-bit

Osfclient-x-none.msp file information

File name

File version

File size

Date

Time

Msosb.dll

15.0.4635.1000

59,072

21-Jan-2015

06:58

Msoth.dll

15.0.4679.1000

92,352

21-Jan-2015

06:58

Osf.dll

15.0.4693.1000

868,536

21-Jan-2015

06:58

Osfintl.dll

15.0.4693.1001

235,192

21-Jan-2015

06:58

Osfproxy.dll

15.0.4679.1000

27,832

21-Jan-2015

06:58

Osfroamingproxy.dll

15.0.4679.1000

27,832

21-Jan-2015

06:58

Osfui.dll

15.0.4691.1000

290,488

21-Jan-2015

06:58


64-bit

Osfclient-x-none.msp file information

File name

File version

File size

Date

Time

Msosb.dll

15.0.4599.1000

81,088

21-Jan-2015

07:01

Msosb.dll.x86

15.0.4635.1000

59,072

21-Jan-2015

07:05

Msoth.dll

15.0.4679.1000

128,696

21-Jan-2015

07:01

Msoth.dll.x86

15.0.4679.1000

92,352

21-Jan-2015

07:05

Osf.dll

15.0.4693.1000

1,267,904

21-Jan-2015

07:01

Osfintl.dll

15.0.4693.1001

235,192

21-Jan-2015

07:01

Osfproxy.dll

15.0.4679.1000

34,488

21-Jan-2015

07:01

Osfproxy.dll.x86

15.0.4679.1000

27,832

21-Jan-2015

07:05

Osfroamingproxy.dll

15.0.4679.1000

34,488

21-Jan-2015

07:01

Osfroamingproxy.dll.x86

15.0.4679.1000

27,832

21-Jan-2015

07:05

Osfui.dll

15.0.4691.1000

446,136

21-Jan-2015

07:01

Windows 8 and Windows 8.1

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

  2. Type windows update, tap or click Settings, and then tap or click View installed updates in the search results.

  3. In the list of updates, locate and then tap or click update KB2910921, and then tap or click Uninstall.

Windows 7

  1. Click Start, and then click Run.

  2. Type Appwiz.cpl, and then click OK.

  3. Click View installed updates.

  4. In the list of updates, locate and then click update KB2910921, and then click Uninstall.

References

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.

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