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Outlook and Outlook for Mac: Update File Versions
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This Wiki page lists the MSI-based Outlook related file versions and updates with release dates and KB articles.

Click an Outlook version to jump to that section:

Outlook 2016
Outlook 2013
Outlook 2010
Outlook 2007
Outlook 2003
Outlook 2016 for Mac
Outlook for Mac 2011


Outlook 2016

Release Date  File File Version KB Article
General Availability
9/22/2015		 16.0.4229.1024
10/13/2015 Outlook.exe 16.0.4288.1000 KB2910976
MSO.dll 16.0.4288.1000 KB2910972
wwlib.dll 16.0.4288.1000 KB2920691
       
11/10/2015 Outlook.exe 16.0.4300.1000 KB3101517
  MSO.dll 16.0.4300.1000 KB3085540
KB3101515
  wwlib.dll 16.0.4300.1001 KB3101513
       
12/8/2015 Outlook.exe 16.0.4312.1000 KB3114387
  MSO.dll 16.0.4312.1000 KB3114383
  wwlib.dll 16.0.4312.1001 KB3114382
       
1/12/2016 Outlook.exe 16.0.4324.1000 KB3114532
  MSO.dll 16.0.4324.1000 KB3114527
  wwlib.dll 16.0.4324.1000 KB3114526
       
2/9/2016 Outlook.exe 16.0.4339.1000 KB3114707
  MSO.dll 16.0.4339.1000 KB3114703
  wwlib.dll 16.0.4339.1000 KB3114702

Version numbers of update branches for Office 365 clients (Click-to-run)

View the Microsoft Support Lifecycle information for Outlook 2016


Outlook 2013


Release Date  File File Version KB Article
SP1 - 2/25/2014 Outlook.exe 15.0.4569.1506 KB2817430
       
3/11/2014 Outlook.exe 15.0.4569.1503 KB2863911
       
4/8/2014 Outlook.exe 15.0.4605.1000 KB2878323
  MSO.dll 15.0.4605.1000 KB2863880
       
5/13/2014 Outlook.exe 15.0.4615.1000 KB2880961
  MSO.dll 15.0.4615.1000 KB2880454
  wwlib.dll 15.0.4615.1000 KB2880455
       
6/10/2014 Outlook.exe 15.0.4623.1000 KB2881040
  MSO.dll 15.0.4623.1001 KB2881043
  wwlib.dll 15.0.4623.1000 KB2881005
       
7/8/2014 Outlook.exe 15.0.4631.1000 KB2882991
  MSO.dll 15.0.4631.1000 KB2880987
  wwlib.dll  15.0.4631.1000 KB2881080
       
8/12/2014 Outlook.exe 15.0.4641.1001 KB2881011
  MSO.dll 15.0.4641.1001 KB2883052
  wwlib.dll 15.0.4641.1000 KB2883058
       
8/19/2014 Outlook.exe 15.0.4641.1001 KB2889859
       
9/9/2014 Outlook.exe 15.0.4649.1000 KB2889873
  MSO.dll 15.0.4649.1000 KB2889848
  wwlib.dll 15.0.4649.1000 KB2889852
       
10/14/2014 Outlook.exe 15.0.4659.1000 KB2889951
KB2986204
  MSO.dll 15.0.4659.1001 KB2889953
  wwlib.dll 15.0.4659.1000 KB2889939
       
11/11/2014 Outlook.exe 15.0.4667.1000 KB2899544
KB2899504
  MSO.dll 15.0.4667.1001 KB2899493
  wwlib.dll 15.0.4667.1000 KB2899500
       
12/17/2014 Outlook.exe 15.0.4675.1003 KB2910923
12/9/2014 MSO.dll 15.0.4675.1002 KB2920734
  wwlib.dll 15.0.4675.1000 KB2910916
       
2/10/2015 Outlook.exe 15.0.4693.1000 KB2956087
  MSO.dll 15.0.4693.1001 KB2920798
  wwlib.dll 15.0.4693.1000 KB2956085
     
3/10/2015 Outlook.exe 15.0.4701.1000 KB2956170
  MSO.dll 15.0.4701.1000 KB2956151
  wwlib.dll 15.0.4701.1001 KB2956163
     
4/14/2015 Outlook.exe 15.0.4711.1000 KB2965270
  MSO.dll 15.0.4711.1000 KB2965218
  wwlib.dll 15.0.4711.1001 KB2965224
     
5/12/2015 Outlook.exe 15.0.4719.1001 KB3039799
  MSO.dll 15.0.4719.1000 KB3039700
  wwlib.dll 15.0.4719.1000 KB2965307
     
6/9/2015 Outlook.exe 15.0.4727.1000 KB3054855
  MSO.dll 15.0.4727.1001 KB3054853
  wwlib.dll 15.0.4727.1000 KB3039755
     
7/14/2015 Outlook.exe 15.0.4737.1000 KB3054940
  MSO.dll 15.0.4737.1001 KB3054925
  wwlib.dll 15.0.4737.1003 KB3054990
     
8/11/2015 Outlook.exe 15.0.4745.1000 KB3055012
  MSO.dll 15.0.4745.1000 KB3055001
  wwlib.dll 15.0.4745.1001 KB3055030
     
9/8/2015 Outlook.exe 15.0.4753.1002 KB3085495
  MSO.dll 15.0.4753.1001 KB3085480
  wwlib.dll 15.0.4753.1000 KB3085490
     
10/13/2015 Outlook.exe 15.0.4763.1000 KB3085579
  MSO.dll 15.0.4763.1000 KB3085566
  wwlib.dll 15.0.4763.1000 KB3085573
       
11/10/2015 Outlook.exe 15.0.4771.1000 KB3101488
  MSO.dll 15.0.4771.1001 KB3101360
  wwlib.dll 15.0.4771.1000 KB3101370
       
11/19/2015 Outlook.exe 15.0.4771.1000 KB2975838
     
12/8/2015 Outlook.exe 15.0.4779.1001 KB3114349
  MSO.dll 15.0.4779.1000 KB3114333
  wwlib.dll 15.0.4779.1001 KB3114342
     
1/12/2016 Outlook.exe 15.0.4783.1000 KB3114500
  MSO.dll 15.0.4787.1002 KB3114486
  wwlib.dll 15.0.4787.1000 KB3114494
     
2/9/2016 Outlook.exe 15.0.4797.1001 KB3114729
  MSO.dll 15.0.4797.1000 KB3114717
  wwlib.dll 15.0.4797.1000 KB3114724

Version numbers of Updates for Office 2013 or Office 365 (Click-to-run)

View the Microsoft Support Lifecycle information for Outlook 2013


Outlook 2010

Outlook 2010 Update File Version Date KB 
RTM 14.0.4760.1000 7/15/2010
SP1 - June 2011 14.0.6029.1000 6/28/2011 KB2460049
SP2 - July 2013 14.0.7015.1000 7/22/2013 KB2687455
 December 8 2015 14.0.7164.5000 12/8/2015 KB3114409
 December 16 2015 14.0.7165.5000 12/16/2015 KB3115460
 January 12 2016 14.0.7165.5000 1/12/2016 KB3114570
 February 9 2016 14.0.7166.5000 2/9/2016 KB3114756

View the full file version list for Outlook 2010

View the Microsoft Support Lifecycle information for Outlook 2010


Outlook 2007

Outlook 2007 Update File Version Date KB 
RTM 12.0.4518.1014 11/30/2006
SP1 - December 2008 12.0.6212.1000 12/8/2007 KB936982
SP2 - April 2009 12.0.6423.1000 4/24/2009 KB953195
SP3 - October 2011 12.0.6607.1000 10/25/2011 KB2526086
 April 2014 12.0.6691.5000 4/8/2014 KB2863811

View the full file version list for Outlook 2007

View the Microsoft Support Lifecycle information for Outlook 2007


Outlook 2003

Outlook 2003 Update File Version Date KB 
RTM 11.0.5510.0 11/20/2003
SP1 - July 2004 11.0.6353.0 7/26/2004 KB842532
SP2 - September 2005 11.0.7969.0 9/26/2005 KB887616
SP3 - September 2007 11.0.8173.0 9/17/2007 KB923618
 December 2010 11.0.8326.0 12/14/2010 KB2449798

View more file version information for Outlook 2003

View the Microsoft Support Lifecycle information for Outlook 2003


Outlook 2016 for Mac
Outlook 2016 for Mac Update File Version Date KB 
Public Preview 15.3 (141024) 10/31/2014
December 2014 15.4 (141114) 12/16/2014 KB3025088
January 2015 15.6 (150113) 1/20/2015 KB3032066
March 2015 15.8 (150303) 3/5/2015 KB3038443
March 13 2015 15.8.1 (150311) 3/13/2015 KB3048177
March 31 2015 15.8.2 (150328) 3/31/2015 KB3048674
April 2015 15.9 (150408) 4/14/2015 KB3055707
May 2015 15.10 (150508) 5/12/2015 KB3048682
June 10 2015 15.11 (150609) 6/10/2015 KB3048692
June 23 2015 15.11.1 (150618) 6/23/2015 KB3074179
July 9 2015 15.11.2 (150701) 7/9/2015 KB3074479
July 28 2015 15.12.3 (150724) 7/28/2015 KB3074482
August 2015 15.13.1 (150807) 8/11/2015 KB3085420
September 15 2015 15.14 (150911) 9/15/2015 KB3088502
September 23 2015 15.14.2 (150923) 9/23/2015 KB3098225
October 2015 15.15 (151008) 10/13/2015 KB3097264
November 2015 15.16 (151105) 11/10/2015 KB3102925
December 10 2015 15.17 (151206) 12/10/2015 KB3119518
December 17 2015 15.17.1 (151217) 12/17/2015 KB3127248
January 12 2016 15.18 (160109) 1/12/2016 KB3133711
February 2016 15.19.1 (160212) 2/16/2016 KB3134241

View the Microsoft Support Lifecycle information for Outlook 2016 for Mac


Outlook for Mac 2011
Outlook for Mac 2011 Update File Version Date KB 
RTM 14.0.0 10/26/2010
November 2010 14.0.1 11/9/2010 KB2454823
December 2010 14.0.2 12/13/2010 KB2476509
SP1 - April 2011 14.1.0 4/12/2011 KB2525412
June 2011 14.1.2 6/14/2011 KB2555784
September 2011 14.1.3 9/13/2011 KB2598783
December 2011 14.1.4 12/13/2011 KB2644347
SP2 - April 2012 14.2.0 4/12/2012 KB2685940
May 2012 14.2.2 5/8/2012 KB2665351
July 2012 14.2.3 7/10/2012 KB2721015
September 2012 14.2.4 9/19/2012 KB2742588
November 2012 14.2.5 11/13/2012 KB2764047
SP3 - January 2013 14.3.0 1/29/2013 KB2793758
February 2013 14.3.1 2/11/2013 KB2814835
March 2013 14.3.2 3/12/2013 KB2817452
May 2013 14.3.4 5/7/2013 KB2830450
June 2013 14.3.5 6/11/2013 KB2848689
July 2013 14.3.6 7/16/2013 KB2869604
September 2013 14.3.7 9/10/2013 KB2877813
October 2013 14.3.8 10/8/2013 KB2889496
November 2013 14.3.9 11/19/2013 KB2902808
April 2014 14.4.1 4/8/2014 KB2939132
May 2014 14.4.2 5/27/2014 KB2970766
June 2014 14.4.3 6/24/2014 KB2978808
August 2014 14.4.4 8/26/2014 KB2994002
October 2014 14.4.5 10/14/2014 KB3004865
November 2014 14.4.6 11/11/2014 KB3016338
December 2014 14.4.7 12/9/2014 KB3018888
February 2015 14.4.8 2/10/2015 KB3034381
April 2015 14.4.9 4/14/2015 KB3051737
May 12 2015 14.5.0 5/12/2015 KB3062536
May 19 2015 14.5.1 5/19/2015 KB3048688
June 2015 14.5.2 6/16/2015 KB3048691
July 2015 14.5.3 7/14/2015 KB3073865
August 2015 14.5.4 8/11/2015 KB3081349
September 2015 14.5.5 9/8/2015 KB3088501
October 7 2015 14.5.6 10/7/2015 KB3098229
October 13 2015 14.5.7 10/13/2015 KB3097266
November 2015 14.5.8 11/10/2015 KB3102924
December 2015 14.5.9 12/10/2015 KB3119517
January 2016 14.6.0 1/12/2016 KB3133699
February 2016 14.6.1 2/16/2016 KB3137721

View the Microsoft Support Lifecycle information for Outlook for Mac 2011


Exchange Server 2013 and Cumulative Updates (CU’s) Build Numbers (en-US)

Exchange Server 2003 - 2010 and Update Rollup Build Numbers