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

Use the links on this page to get more information about and download the most recent updates for the perpetual versions of Skype for Business 2016, Skype for Business 2015, and Lync 2013 clients.

Note

  • The information in this article only applies to perpetual versions of Skype for Business that use the Windows Installer (MSI) installation technology. For example, if you installed a volume licensed version of Skype for Business, such as Skype for Business included with Office Professional Plus 2016.
  • The information in this article doesn't apply to Microsoft 365 or Office 365 versions of Skype for Business, such as Skype for Business included with Microsoft 365 Apps for enterprise.
  • For the latest mobile client updates, go to the app store for your mobile client (iTunes, Google Play, or Microsoft Store) to view details and install updates.
  • To find out what version of Skype for Business you're using, see What version of Skype for Business do I have?
  • For more information about installing Office updates, see Install Office updates.

Skype for Business compatibility with Microsoft 365 or Office 365 and your on-premises environment depends on the system requirements for your deployment:

  • Microsoft 365 and Office 365 work with any version of Skype for Business that is in mainstream support, which includes the latest version of Skype for Business 2016. For previous versions of Skype for Business, only those that have extended support may continue to work with Microsoft 365 or Office 365, although with reduced functionality. For more information, see Microsoft Lifecycle Policy.

  • For Skype for Business Server on-premises deployments, follow the system requirements for your version of Skype for Business:

Skype for Business 2016 client updates

Package Name KB Number Release Date
Update for Skype for Business 2016 KB 4484133 December 2019
Update for Skype for Business 2016 KB 4484102 October 2019
Update for Skype for Business 2016 KB 4475577 September 2019
Update for Skype for Business 2016 KB 4475548 August 2019
Update for Skype for Business 2016 KB 4475545 July 2019
Update for Skype for Business 2016 KB 4464576 June 2019
Update for Skype for Business 2016 KB 4464532 May 2019
Update for Skype for Business 2016 KB 4462234 April 2019
Update for Skype for Business 2016 KB 4462190 March 2019
Update for Skype for Business 2016 KB 4462114 February 2019
Update for Skype for Business 2016 KB 4461586 January 2019
Update for Skype for Business 2016 KB 4461545 December 2018
Security update for Skype for Business 2016 KB 4461473 November 2018
Update for Skype for Business 2016 KB 4092445 October 2018
Update for Skype for Business 2016 KB 4032255 August 2018
Security update for Skype for Business 2016 KB 4022221 July 2018
Update for Skype for Business 2016 KB 4022155 June 2018
Update for Skype for Business 2016 KB 4018367 May 2018
Update for Skype for Business 2016 KB 4018323 April 2018
Update for Skype for Business 2016 KB 4011725 March 2018
Update for Skype for Business 2016 KB 4011662 February 2018
Update for Skype for Business 2016 KB 4011623 January 2018
Update for Skype for Business 2016 KB 4011563 December 2017
Update for Skype for Business 2016 KB 4011238 November 2017
Security update for Skype for Business 2016 KB 4011159 October 2017
Security update for Skype for Business 2016 KB 4011040 September 2017
Update for Skype for Business 2016 KB 3213548 July 2017
Security update for Skype for Business 2016 KB 3203382 June 2017
Security update for Skype for Business 2016 KB 3191858 May 2017
Update for Skype for Business 2016 KB 3178717 April 2017
Security update for Skype for Business 2016 KB 3178656 March 2017
Update for Skype for Business 2016 KB 3141501 February 2017
Update for Skype for Business 2016 KB 3128049 January 2017
Update for Skype for Business 2016 KB 3127980 December 2016
Update for Skype for Business 2016 KB 3127939 November 2016
Security update for Skype for Business 2016 KB 3118327 October 2016
Update for Skype for Business 2016 KB 3118288 September 2016
Security update for Skype for Business 2016 KB 3115408 August 2016
Update for Skype for Business 2016 KB 3115268 July 2016
Update for Skype for Business 2016 KB 3115087 June 2016
Security update for Skype for Business 2016 KB 3114960 April 2016
Update for Skype for Business 2016 KB 3114846 March 2016
Update for Skype for Business 2016 KB 3114696 February 2016
Update for Skype for Business 2016 KB 3114516 January 2016
Security update for Skype for Business 2016 KB 3114372 December 2015
Security update for Skype for Business 2016 KB 3085634 November 2015
Security update for Skype for Business 2016 KB 2910994 September 2015

Skype for Business 2015 client updates

Package Name KB Number Release Date
Update for Skype for Business 2015/Lync 2013 KB 4475519 July 2019
Update for Skype for Business 2015/Lync 2013 KB 4464593 June 2019
Update for Skype for Business 2015/Lync 2013 KB 4464547 May 2019
Update for Skype for Business 2015/Lync 2013 KB 4462207 April 2019
Update for Skype for Business 2015/Lync 2013 KB 4461557 January 2019
Security update for Skype for Business 2015/Lync 2013 KB 4461487 November 2018
Update for Skype for Business 2015/Lync 2013 KB 4461446 October 2018
Update for Skype for Business 2015/Lync 2013 KB 4092457 September 2018
Update for Skype for Business 2015/Lync 2013 KB 4032250 August 2018
Security update for Skype for Business 2015/Lync 2013 KB 4022225 July 2018
Update for Skype for Business 2015/Lync 2013 KB 4022170 June 2018
Update for Skype for Business 2015/Lync 2013 KB 4018377 May 2018
Update for Skype for Business 2015/Lync 2013 KB 4018334 April 2018]
Update for Skype for Business 2015/Lync 2013 KB 4018290 March 2018
Update for Skype for Business 2015/Lync 2013 KB 4011678 February 2018
Update for Skype for Business 2015/Lync 2013 KB 4011638 January 2018
Update for Skype for Business 2015/Lync 2013 KB 4011284 December 2017
Update for Skype for Business 2015/Lync 2013 KB 4011255 November 2017
Security update for Skype for Business 2015/Lync 2013 KB 4011179 October 2017
Security update for Skype for Business 2015/Lync 2013 KB 4011107 September 2017
Lynchelploc Security update for Skype for Business 2015/Lync 2013 KB 3213568 September 2017
Update for Skype for Business 2015/Lync 2013 KB 4011046 August 2017
Update for Skype for Business 2015/Lync 2013 KB 3213574 July 2017
Security update for Skype for Business 2015/Lync 2013 KB 3191939 June 2017
Security update for Skype for Business 2015/Lync 2013 KB 3191937 June 2017
Lynchelploc update for Skype for Business 2015/Lync 2013 KB 3191873 May 2017
Update for Skype for Business 2015/Lync 2013 KB 3191876 May 2017
Lynchelploc update for Skype for Business 2015/Lync 2013 KB 3172492 April 2017
Update for Skype for Business 2015/Lync 2013 KB 3178731 April 2017
Security update for Skype for Business 2015/Lync 2013 KB 3172539 March 2017
Update for Skype for Business 2015/Lync 2013 KB 3161988 February 2017
Update for Skype for Business 2015/Lync 2013 KB 3141468 January 2017
Update for Skype for Business 2015/Lync 2013 KB 3127976 December 2016
Update for Skype for Business 2015/Lync 2013 KB 3127934 November 2016
Security update for Skype for Business 2015/Lync 2013 KB 3118348 October 2016
Update for Skype for Business 2015/Lync 2013 KB 3118281 September 2016
Security update for Skype for Business 2015/Lync 2013 KB 3115431 August 2016
Update for Skype for Business 2015/Lync 2013 KB 3115261 July 2016
Update for Skype for Business 2015/Lync 2013 KB 3115033 June 2016
Security update for Skype for Business 2015/Lync 2013 KB 3114944 April 2016
Update for Skype for Business 2015/Lync 2013 KB 3114831 March 2016
Update for Skype for Business 2015/Lync 2013 KB 3114732 February 2016
Update for Skype for Business 2015/Lync 2013 KB 3114502 January 2016
Security update for Skype for Business 2015/Lync 2013 KB 3114351 December 2015
Security update for Skype for Business 2015/Lync 2013 KB 3039776 December 2015
Security update for Skype for Business 2015/Lync 2013 KB 3101496 November 2015
Update for Skype for Business 2015/Lync 2013 KB 3085581 October 2015
Security update for Skype for Business 2015/Lync 2013 KB 3085500 September 2015
Security update for Skype for Business 2015/Lync 2013 KB 3055014 August 2015
Update for Skype for Business 2015/Lync 2013 KB 3054791 June 2015

Skype for Business on Mac client updates

Current release notes for Skype for Business on Mac


Lync 2013 client updates

Package Name KB Number Release Date
Update for Skype for Business 2015/Lync 2013 KB 4462207 April 2019
Update for Skype for Business 2015/Lync 2013 KB 4461557 January 2019
Security update for Skype for Business 2015/Lync 2013 KB 4461487 November 2018
Update for Skype for Business 2015/Lync 2013 KB 4461446 October 2018
Update for Skype for Business 2015/Lync 2013 KB 4092457 September 2018
Update for Skype for Business 2015/Lync 2013 KB 4032250 August 2018
Security update for Skype for Business/Lync 2013 KB 4022225 July 2018
Update for Skype for Business 2015/Lync 2013 KB 4022170 June 2018
Update for Skype for Business 2015/Lync 2013 KB 4018377 May 2018
Update for Skype for Business 2015/Lync 2013 KB 4018334 April 2018
Update for Skype for Business 2015/Lync 2013 KB 4018290 March 2018
Update for Skype for Business 2015/Lync 2013 KB 4011678 February 2018
Update for Skype for Business 2015/Lync 2013 KB 4011638 January 2018
Update for Skype for Business 2015/Lync 2013 KB 4011284 December 2017
Update for Skype for Business 2015/Lync 2013 KB 4011255 November 2017
Security update for Skype for Business 2015/Lync 2013 KB 4011179 October 2017
Security update for Skype for Business 2015/Lync 2013 KB 4011107 September 2017
Security update for Skype for Business 2015/Lync 2013 KB 3213568 September 2017
Update for Skype for Business 2015/Lync 2013 KB 4011046 August 2017
Update for Skype for Business 2015/Lync 2013 KB 3213574 July 2017
Update for Skype for Business 2015/Lync 2013 KB 3191939 June 2017
Security update for Skype for Business 2015/Lync 2013 KB 3191937 June 2017
Lynchelploc update for Skype for Business 2015/Lync 2013 KB 3191873 May 2017
Update for Skype for Business 2015/Lync 2013 KB 3191876 May 2017
Update for Skype for Business 2015/Lync 2013 KB 3172492 April 2017
Update for Skype for Business 2015/Lync 2013 KB 3178731 April 2017
Security update for Skype for Business 2015/Lync 2013 KB 3172539 March 2017
Update for Skype for Business 2015/Lync 2013 KB 3161988 February 2017
Update for Skype for Business 2015/Lync 2013 KB 3141468 January 2017
Update for Skype for Business 2015/Lync 2013 KB 3127976 December 2016
Update for Skype for Business 2015/Lync 2013 KB 3127934 November 2016
Security update for Skype for Business 2015/Lync 2013 KB 3118348 October 2016
Update for Skype for Business 2015/Lync 2013 KB 3118281 September 2016
Security update for Skype for Business 2015/Lync 2013 KB 3115431 August 2016
Update for Skype for Business 2015/Lync 2013 KB 3115261 July 2016
Update for Skype for Business 2015/Lync 2013 KB 3115033 June 2016
Security update for Skype for Business 2015/Lync 2013 KB 3114944 April 2016
Update for Skype for Business 2015/Lync 2013 KB 3114831 March 2016
Update for Skype for Business 2015/Lync 2013 KB 3114732 February 2016
Update for Skype for Business 2015/Lync 2013 KB 3114502 January 2016
Update for Skype for Business 2015/Lync 2013 KB 3039776 December 2015
Security update for Skype for Business 2015/Lync 2013 KB 3114351 December 2015
Security update for Skype for Business 2015/Lync 2013 KB 3101496 November 2015
Update for Skype for Business 2015/Lync 2013 KB 3085581 October 2015
Security update for Skype for Business 2015/Lync 2013 KB 3085500 September 2015
Update for Skype for Business 2015/Lync 2013 KB 3054791 June 2015
Security update for Skype for Business 2015/Lync 2013 KB 3039779 May 2015
Update for Skype for Business 2015/Lync 2013 KB 2889923
KB 2889853
April 2015
Update for Lync 2013 KB 2956174 March 2015
Update for Lync 2013 KB 2920744 February 2015
Update for Lync 2013 KB 2899507 November 2014
Update for Lync 2013 KB 2889929 October 2014
Update for Lync 2013 KB 2889860 September 2014
Update for Lync 2013 KB 2881083 August 2014
Update for Lync 2013 KB 2881070 August 2014
Security Update for Lync 2013 KB 2881013 June 2014
Update for Lync 2013 KB 2850074 June 2014
Update for Lync 2013 KB 2880980 May 2014
Update for Lync 2013 KB 2880474 April 2014
Update for Lync 2013 KB 2863908 March 2014
Security Update for Lync 2013 KB 2850057 September 2013
Update for Lync 2013 KB 2817630 December 2013
Update for Lync 2013 KB 2817465 July 2013
Update for Lync 2013 KB 2768004 May 2013
Update for Lync 2013 KB 2760556 March 2013
Update for Lync 2013 KB 2812461 February 2013

Lync Phone Edition updates

Package Name KB Number Release Date
Cumulative update for Lync Phone Edition for Aastra 6721ip and Aastra 6725ip telephone KB 4019527 April 2017
Cumulative update for Microsoft Lync Phone Edition for HP 4110 and HP 4120 telephones KB 4019528 April 2017
Cumulative update for Microsoft Lync Phone Edition for Polycom CX500, Polycom CX600, and Polycom CX3000 telephones KB 4019529 April 2017
Cumulative Update for Lync Phone Edition for Aastra 6721ip and Aastra 6725ip telephones KB 3050585 May 2015
Cumulative update for Lync Phone Edition for HP 4110 and HP 4120 telephones KB 3050587 May 2015
Cumulative update for Lync Phone Edition for Polycom CX500, Polycom CX600, and Polycom CX3000 KB 3050588 May 2015
Cumulative update for Lync Phone Edition for Polycom CX700 and LG-Nortel IP Phone 8540 telephones KB 3050590 May 2015
Cumulative update for Lync Phone Edition for Aastra 6721ip and Aastra 6725ip telephones KB 2954032 April 2014
Cumulative update for Lync Phone Edition for HP 4110 and HP 4120 telephones KB 2954033 April 2014
Cumulative update for Lync Phone Edition for Polycom CX500, Polycom CX600, and Polycom CX3000 telephones KB 2954034 April 2014
Cumulative update for Lync Phone Edition for Polycom CX700 and LG-Nortel IP Phone 8540 telephones KB 2954035 April 2014

Lync Phone Edition clients on Download Center

Package Name Release Date
Lync Phone Edition for HP 4110 and HP 4120 April 2017
Lync Phone Edition for Polycom CX500, Polycom CX600 and Polycom CX3000 April 2017
Lync Phone Edition for Polycom CX700 and LG-Nortel IP Phone 8540 December 2015

Lync Basic 2013 Software

Package Name Release Date  
Lync Basic 2013 (32-bit) October 2012
Lync Basic 2013 (64-bit) October 2012

Lync for Mac 2011 client updates

Package Name KB Number Release Date
Update for Lync for Mac 2011 KB 3175174 July 2016
Cumulative updates for Lync for Mac 2011 KB 3074981 July 2015

Lync 2010 client updates

Package Name KB Number Release Date
Security update for Lync 2010 KB 4025865 September 2017
Security update for Lync 2010 KB 4010732 June 2017
Security update for Lync 2010 KB 4010299 March 2017
Security update for Lync 2010 KB 3188397 October 2016
Security update for Lync 2010 KB 3174301 August 2016
Update for Lync 2010 KB 3171499 June 2016
Security update for Lync 2010 KB 3115871 December 2015
Security update for Lync 2010 KB 3096735 November 2015
Security update for Lync 2010 KB 3081087 September 2015
Cumulative updates for Lync 2010 KB 3072611 July 2015

Lync 2010 Attendant updates

Package Name KB Number Release Date
Cumulative update for Lync 2010 Attendant KB 2842632 July 2013

Lync 2010 Attendee updates

Package Name KB Number Release Date
Security update for Lync 2010 Attendee (admin level install) KB 4025866 September 2017
Security update for Lync 2010 Attendee (admin level install) KB 4025866 June 2017
Security update for Lync 2010 Attendee (user level install) KB 4020734 June 2017
Security update for Microsoft Graphics Component on Lync 2010 Attendee (admin level install) KB 4010301 March 2017
Security update for Lync 2010 Attendee (admin level install) KB 3188400 October 2016
Description of the cumulative update for the Lync 2010 Attendee - Administrator level installation KB 3171502 June 2016
Description of the cumulative update for the Lync 2010 Attendee - User level installation KB 3171496 June 2016
Security update for Lync 2010 Attendee (admin-level installation) KB 3081089 September 2015
Security update for Lync 2010 Attendee (user-level installation) KB 3081088 September 2015

Attendant

Package Name/Link Release Date
Lync 2010 Attendant (32 Bit) November 2010
Lync 2010 Attendant (64 Bit) November 2010

Attendee

Package Name/Link Release Date
Lync 2010 Attendee - Admin Level Install April 2013
Lync 2010 Attendee - User Level Install June 2014