Article ID: 2625547 - View products that this article applies to.
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Summary

This article provides a complete list of the most recent hotfix updates, public updates or service packs for Microsoft Outlook. Some Outlook features are dependent on Microsoft Word and Microsoft Office components. Therefore, you should also install the latest updates for the Word and Office core components.

Note The information in this article applies only to US English versions of Outlook. Other language versions of Outlook have some updates that are different from the updates that are listed in this article. To find links to the most recent cumulative and public updates for Microsoft Office, see the following Microsoft TechNet topic:

Update center for Microsoft Office
This article will be updated to reference new updates as they are released.

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Using OffCAT to maintain programs
Instead of manually checking whether you have the latest updates installed for Outlook (or Office), you can instead use the Office Configuration Analyzer Tool (OffCAT). The OffCAT tool will check the installations for you, and will notify you about which updates you must install to keep the programs up-to-date. The tool also provides direct links to the updates. For more information, click the following article number to go to the article in the Microsoft Knowledge Base:

2812744 Office Configuration Analyzer Tool (OffCAT) information

For more information about the most recent Outlook updates, refer to the following sections, as appropriate:

Outlook 2013

  • Click-to-run installations of Office 2013

    The following updates apply only to Office 2013 clients that are installed by using an .msi file. They do not apply to Click-to-run installations of Office 2013. By default, Click-to-run installations are automatically updated.

    To see whether you are using a Click-to-run version of Office 2013, click the File tab in Outlook, and then click Office Account. If you see "Office Updates" under Product Information, as shown in the following figure, you are using a Click-to-run installation of Office.

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    The screenshot for "Office Updates" option


    To see the latest version information for Click-to-run installations, click Update Options, and then click View Updates.

    For more information about click-to-Run updates, go to the following Microsoft Office article:

    Microsoft Office 2013 Click-to-Run virtualization
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    Latest Click-to-run version
    The following is the latest version of Office 2013 Click-to-run:

    15.0.4631.1002

  • MSI installations of Office 2013

    The following updates apply only to Office 2013 clients that are installed by using an .msi file. They do not apply to Click-to-run installations of Office 2013. By default, Click-to-run installations are automatically updated. You cannot install the updates from these articles on Click-to-run installations of Office 2013.
Outlook (global) update

2882991 Hotfix KB2882991 for Outlook 2013 July 8, 2014 (Outlook-x-none.msp)
http://support.microsoft.com/kb/2882991


Outlook (US English) update

2817430 Description of Microsoft Office 2013 Service Pack 1 (SP1)
http://support.microsoft.com/kb/2817430


Outlook Social Connector global update

2553315 Description of the Outlook Social Connector 2010 hotfix package (Osc-x-none.msp) December 10, 2013
http://support.microsoft.com/kb/2553315


Outlook (UMoutlookaddin.dll) update

2880477 Hotfix KB2880477 for Office 2013 July 8, 2014 (Outexum-x-none.msp)
http://support.microsoft.com/kb/2880477

Microsoft Word update

2881080 July 8, 2014 update for Word 2013 (KB2881080)
http://support.microsoft.com/kb/2881080

Microsoft Office 2013 (Mso.dll) update

2880987 July 8, 2014 update for Office 2013 (KB2880987)
http://support.microsoft.com/kb/2880987

After you install all these updates, you should see the following versions of important files that are used by Outlook.

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FileVersion
Mso.dll15.0.4631.1000
Outlook.exe15.0.4631.1000
Outllibr.dll15.0.4625.1000
Socialconnector.dll15.0.4569.1503
Socialprovider.dll15.0.4454.1000
UmOutlookAddin.dll15.0.4629.1000
Winword.exe15.0.4631.1000
Wwlib.dll15.0.4631.1000

Outlook 2010

Important Updates for Office 2010 programs now require either Office 2010 Service Pack 1 (SP1) or Office 2010 Service Pack 2 (SP2) to be installed before you can install an update. If you do not yet have Office 2010 SP1 installed, you can skip this installation and, instead, install Office 2010 SP2.

You can download and install Service Pack 2 for Office 2010 from the following Microsoft Knowledge Base article:

2687455 Description of Office 2010 Service Pack 2
http://support.microsoft.com/kb/2687455
You can download and install Service Pack 1for Office 2010 from the following Microsoft Knowledge Base article:

2460049 Description of Office 2010 SP1
http://support.microsoft.com/kb/2460049

Outlook (global) update

2883007 Hotfix KB2883007 for Outlook 2010 July 8, 2014 (Outlook-x-none.msp)
http://support.microsoft.com/kb/2883007

Outlook (localized languages) update

Note The following update is the latest released localized update package for Outlook 2010. You have to install only Outlookintl-xx-xx.msp from the following package (in which <xx-xx> corresponds to the language version of your Office installation, such as "en-us").

2880545 Hotfix KB2880545 for Outlook 2010 July 8, 2014 (Outlook-x-none.msp; Outlookintl-<Language-Code>.msp) 
http://support.microsoft.com/kb/2880545

Outlook Social Connector global update

2553315 Description of the Outlook Social Connector 2010 hotfix package (Osc-x-none.msp) December 10, 2013
http://support.microsoft.com/kb/2553315

Outlook Social Connector update (US-English update)

Note The following update is the latest released localized update package for the Outlook Social Connector. Therefore, you have to install only Oscintl-en-us.msp from the following package (for US-English versions of Outlook 2010). The "-none.msp" file in the following update package has been updated and is available in the update for the Social Connector (KB 2553315).

2553406 Description of the Outlook Social Connector update (Osc-x-none.msp, Oscintl-en-us.msp): April 10, 2012
http://support.microsoft.com/default.aspx?scid=kb;EN-US;2553406

Outlook Social Connector SharePoint Provider udpate

2553267 Description of the Outlook Social Connector update (Oscmoss-x-none.msp): April 10, 2012
http://support.microsoft.com/default.aspx?scid=kb;EN-US;2553267

Outlook (UMoutlookaddin.dll) update

2794760 Hotfix KB2794760 for Outlook 2010 July 8, 2014 (Outexum-x-none.msp)
http://support.microsoft.com/kb/2794760

Microsoft Word 2010

2883017 Hotfix KB2883017 for Word 2010 July 8, 2014 (Word-x-none.msp)
http://support.microsoft.com/kb/2883017

Office 2010 (Mso.dll)

2878252 July 8, 2014 update for Office 2010 (KB2878252)
http://support.microsoft.com/kb/2878252

After you install all these updates, you should see the following versions of important files that are used by Outlook.
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FileVersion
Outllibr.dll14.0.7127.5000
Mso.dll14.0.7128.5000
Outlook.exe14.0.7127.5000
Sharepointprovider.dll14.0.6117.5000
Socialconnector.dll14.0.7107.5000
Socialprovider.dll14.0.6116.5000
Umoutlookaddin.dll14.0.7127.5000
Winword.exe14.0.7127.5000
Wwlib.dll14.0.7127.5000

Outlook 2007

The following hotfix packages dated February 2013 (or later versions) require you to have 2007 Microsoft Office Service Pack 3 (SP3) installed before you install the update.

You can download and install 2007 Microsoft Office SP3 from the following Microsoft Knowledge Base article:

949585 How to obtain the latest service pack for the 2007 Office suite
http://support.microsoft.com/kb/949585

Updates listed below dated earlier than February 2013 can be installed on a computer that has SP3 installed, but do not require SP3 to be installed. The files included in these updates are later versions than those included in SP3.
Description of 2007 Microsoft Office Suite Service Pack 2 (SP2) and of Microsoft Office Language Pack 2007 SP2
http://support.microsoft.com/kb/953195

Outlook (global) update

2863811 Description of the Outlook 2007 update 2863811: April 8, 2014
http://support.microsoft.com/kb/2863811

Outlook (US English) update

2687329 Description of the Outlook 2007 hotfix package (Outlook-en-us.msp): August 28, 2012
http://support.microsoft.com/kb/2687329

Microsoft Word update


2880515 MS14-034: Description of the security update for Word 2007: June 10, 2014
http://support.microsoft.com/kb/2880515


2007 Microsoft Office system (Mso.dll) update

2837609 July 8, 2014 update for Office 2007 suites (KB2837609)
http://support.microsoft.com/kb/2837609


After you install all these updates, you should see the following versions of important files that are used by Outlook.

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FileVersion
Outllibr.dll12.0.6656.5000
Mapir.dll12.0.6663.5000
Mso.dll12.0.6701.5000
Outlook.exe12.0.6691.5000
Winword.exe12.0.6700.5000
Wwlib.dll12.0.6700.5000

Outlook 2003

You must install Microsoft Office 2003 Service Pack 3 (SP3) before you install the following updates.

You can download and install Office 2003 SP3 by visiting the following Office website:

Description of Office 2003 Service Pack 3
http://support.microsoft.com/kb/923618

Outlook (global) update

2449798 Description of the Office Outlook 2003 update: December 14, 2010
http://support.microsoft.com/kb/2449798

Note All language versions of Outlook 2003 can install this update

Outlook (international) update

2510153 Description of the Office Outlook 2003 hotfix package (Olkintl.msp, Engmui.msp): March 9, 2011
http://support.microsoft.com/kb/2510153

Note If you have the English version of Outlook 2003 installed, use the Olkintl.msp file for the hotfix installation. If you have non-English version of Outlook 2003 and the English MUI installed, use the Engmui.msp file for the hotfix installation.

Microsoft Word update

2878303 MS14-017: Description of the security update for Word 2003: April 8, 2014
http://support.microsoft.com/kb/2878303

Microsoft Office 2003 (Mso.dll) update

2883044 July 8, 2014 update for Office 2003 (KB2883044)
http://support.microsoft.com/kb/2883044


After you install all these updates, you should see the following versions of important files that are used by Outlook.

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FileVersion
Emsmdb32.dll11.0.8333.0
Mso.dll11.0.8405.0
Outllib.dll11.0.8330.0
Outlook.exe11.0.8326.0
Winword.exe11.0.8411.0

After you install all these updates, click the Help menu, and then click About Microsoft Office Outlook. The About Microsoft Office Outlook dialog box should show the following build number.

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Office version number
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

Properties

Article ID: 2625547 - Last Review: July 11, 2014 - Revision: 76.0
Applies to
  • Microsoft Office Outlook 2003
  • Microsoft Office Outlook 2007
  • Microsoft Outlook 2010
  • Microsoft Outlook 2013
Keywords: 
KB2625547

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