https://support.microsoft.com/en-us/kb/3127912

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

 

Release Date  File File Version KB Article

9/22/2015

16.0.4229.1024 General Availability
10/13/2015 Outlook.exe 16.0.4288.1000 2910976
MSO.dll 16.0.4288.1000 2910972
wwlib.dll 16.0.4288.1000 2920691
       
11/10/2015 Outlook.exe 16.0.4300.1000 3101517
  MSO.dll 16.0.4300.1000 3085540

3101515

  wwlib.dll 16.0.4300.1001 3101513
       
12/8/2015 Outlook.exe 16.0.4312.1000 3114387
  MSO.dll 16.0.4312.1000 3114383
  wwlib.dll 16.0.4312.1001 3114382
       
1/12/2016 Outlook.exe 16.0.4324.1000 3114532
  MSO.dll 16.0.4324.1000 3114527
  wwlib.dll 16.0.4324.1000 3114526
       
2/9/2016 Outlook.exe 16.0.4339.1000 3114707
  MSO.dll 16.0.4339.1000 3114703
  wwlib.dll 16.0.4339.1000 3114702
       
3/8/2016 Outlook.exe 16.0.4351.1000 3114861
  MSO.dll 16.0.4351.1000 3114857
  wwlib.dll 16.0.4351.1001 3114855
       
4/5/2016 Outlook.exe 16.0.4366.1000 3114972
  MSO.dll 16.0.4366.1000 3114970
  wwlib.dll 16.0.4366.1000 3114969
       
5/3/2016 Outlook.exe 16.0.4378.1000 3115101
  MSO.dll 16.0.4372.1000 3115096
5/10/2016 wwlib.dll 16.0.4378.1001 3115094
       
6/7/2016 Outlook.exe 16.0.4393.1000 3115147
6/14/2016 MSO.dll 16.0.4390.1000 3115144
  wwlib.dll 16.0.4393.1000 3115182
       
7/12/2016 Outlook.exe 16.0.4405.1000 3115279
7/5/2016 MSO.dll 16.0.4405.1001 3115302
7/12/2016 wwlib.dll 16.0.4405.1000 3115301
       
8/9/2016 Outlook.exe 16.0.4417.1000 3115440
  MSO.dll 16.0.4417.1000 3115415
  wwlib.dll 16.0.4417.1000 3115439
       
9/13/2016 Outlook.exe 16.0.4432.1001 3118293
  MSO.dll 16.0.4432.1000 3118292
9/7/2016 wwlib.dll 16.0.4432.1001 3118291
       
10/4/2016 Outlook.exe 16.0.4444.1000 3118375
  MSO.dll 16.0.4444.1002 3118374
10/11/2016 wwlib.dll 16.0.4444.1003 3118331
       
11/1/2016 Outlook.exe 16.0.4456.1003 3127912
  MSO.dll 16.0.4456.1003 3127909
  wwlib.dll 16.0.4456.1003 3127941
       
12/6/2016 Outlook.exe 16.0.4471.1000 3127988
       
12/6/2016 wwlib.dll 16.0.4471.1000 3127984

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
RTM - 1/9/2013 Outlook.exe 15.0.4420.1000  
       
SP1 - 2/25/2014 Outlook.exe 15.0.4569.1506 2817430
       
3/11/2014 Outlook.exe 15.0.4569.1503 2863911
       
4/8/2014 Outlook.exe 15.0.4605.1000 2878323
  MSO.dll 15.0.4605.1000 2863880
     
5/13/2014 Outlook.exe 15.0.4615.1000 2880961
  MSO.dll 15.0.4615.1000 2880454
  wwlib.dll 15.0.4615.1000 2880455
       
6/10/2014 Outlook.exe 15.0.4623.1000 2881040
  MSO.dll 15.0.4623.1001 2881043
  wwlib.dll 15.0.4623.1000 2881005
       
7/8/2014 Outlook.exe 15.0.4631.1000 2882991
  MSO.dll 15.0.4631.1000 2880987
  wwlib.dll 15.0.4631.1000 2881080
       
8/12/2014 Outlook.exe 15.0.4641.1001 2881011
  MSO.dll 15.0.4641.1001 2883052
  wwlib.dll 15.0.4641.1000 2883058
       
8/19/2014 Outlook.exe 15.0.4641.1001 2889859
       
9/9/2014 Outlook.exe 15.0.4649.1000 2889873
  MSO.dll 15.0.4649.1000 2889848
  wwlib.dll 15.0.4649.1000 2889852
       
10/14/2014 Outlook.exe 15.0.4659.1000 2889951

2986204

  MSO.dll 15.0.4659.1001 2889953
  wwlib.dll 15.0.4659.1000 2889939
       
11/11/2014 Outlook.exe 15.0.4667.1000 2899544

2899504

  MSO.dll 15.0.4667.1001 2899493
  wwlib.dll 15.0.4667.1000 2899500
       
12/17/2014 Outlook.exe 15.0.4675.1003 2910923
12/9/2014 MSO.dll 15.0.4675.1002 2920734
  wwlib.dll 15.0.4675.1000 2910916
       
2/10/2015 Outlook.exe 15.0.4693.1000 2956087
  MSO.dll 15.0.4693.1001 2920798
  wwlib.dll 15.0.4693.1000 2956085
   
3/10/2015 Outlook.exe 15.0.4701.1000 2956170
  MSO.dll 15.0.4701.1000 2956151
  wwlib.dll 15.0.4701.1001 2956163
     
4/14/2015 Outlook.exe 15.0.4711.1000 2965270
  MSO.dll 15.0.4711.1000 2965218
  wwlib.dll 15.0.4711.1001 2965224
     
5/12/2015 Outlook.exe 15.0.4719.1001 3039799
  MSO.dll 15.0.4719.1000 3039700
  wwlib.dll 15.0.4719.1000 2965307
     
6/9/2015 Outlook.exe 15.0.4727.1000 3054855
  MSO.dll 15.0.4727.1001 3054853
  wwlib.dll 15.0.4727.1000 3039755
     
7/14/2015 Outlook.exe 15.0.4737.1000 3054940
  MSO.dll 15.0.4737.1001 3054925
  wwlib.dll 15.0.4737.1003 3054990
     
8/11/2015 Outlook.exe 15.0.4745.1000 3055012
  MSO.dll 15.0.4745.1000 3055001
  wwlib.dll 15.0.4745.1001 3055030
     
9/8/2015 Outlook.exe 15.0.4753.1002 3085495
  MSO.dll 15.0.4753.1001 3085480
  wwlib.dll 15.0.4753.1000 3085490
     
10/13/2015 Outlook.exe 15.0.4763.1000 3085579
  MSO.dll 15.0.4763.1000 3085566
  wwlib.dll 15.0.4763.1000 3085573
       
11/10/2015 Outlook.exe 15.0.4771.1000 3101488
  MSO.dll 15.0.4771.1001 3101360
  wwlib.dll 15.0.4771.1000 3101370
     
11/19/2015 Outlook.exe 15.0.4771.1000 2975838
   
12/8/2015 Outlook.exe 15.0.4779.1001 3114349
  MSO.dll 15.0.4779.1000 3114333
  wwlib.dll 15.0.4779.1001 3114342
     
1/12/2016 Outlook.exe 15.0.4783.1000 3114500
  MSO.dll 15.0.4787.1002 3114486
  wwlib.dll 15.0.4787.1000 3114494
     
2/9/2016 Outlook.exe 15.0.4797.1001 3114729
  MSO.dll 15.0.4797.1000 3114717
  wwlib.dll 15.0.4797.1000 3114724
       
3/8/2016 Outlook.exe 15.0.4805.1000 3114829
  MSO.dll 15.0.4805.1001 3114816
  wwlib.dll 15.0.4805.1001 3114824
       
4/5/2016 Outlook.exe 15.0.4815.1000 3114941
  MSO.dll 15.0.4815.1000 3114928
4/12/2016 wwlib.dll 15.0.4815.1000 3114937
       
5/3/2016 Outlook.exe 15.0.4823.1000 3115031
5/10/2016 MSO.dll 15.0.4823.1000 3115016
wwlib.dll 15.0.4823.1000 3115025
       
6/7/2016 Outlook.exe 15.0.4833.1000 3115158
  MSO.dll 15.0.4833.1000 3115167
6/14/2016 wwlib.dll 15.0.4833.1000 3115173
       
7/12/2016 Outlook.exe 15.0.4841.1000 3115259
7/5/2016 MSO.dll 15.0.4841.1000 3115255
7/12/2016 wwlib.dll 15.0.4841.1000 3115292
       
8/9/2016 Outlook.exe 15.0.4849.1000 3115452
  MSO.dll 15.0.4849.1000 3115427
  wwlib.dll 15.0.4849.1000 3115449
       
9/13/2016 Outlook.exe 15.0.4859.1000 3118280
  MSO.dll 15.0.4859.1000 3118268
9/7/2016 wwlib.dll 15.0.4859.1001 3118276
       
10/4/2016 Outlook.exe 15.0.4867.1000 3118367
  MSO.dll 15.0.4867.1001 3118354
10/11/2016 wwlib.dll 15.0.4867.1002 3118345
       
11/1/2016 Outlook.exe 15.0.4875.1000 3127919
  MSO.dll 15.0.4875.1000 3127915
11/8/2016 wwlib.dll 15.0.4875.1000 3127932
       
12/6/2016 Outlook.exe 15.0.4885.1000 3127975
       
12/6/2016 wwlib.dll 15.0.4885.1000 3128004

View the Pre-SP1 version list for Outlook 2013

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 KB 
RTM - 7/15/2010 14.0.4760.1000
SP1 - 6/28/2011 14.0.6029.1000 2460049
SP2 - 7/22/2013 14.0.7015.1000 2687455
 8/11/2015 14.0.7155.5000 3055041
 9/8/2015 14.0.7157.5000 3085522
 10/13/2015 14.0.7160.5000 3085604
 11/10/2015 14.0.7162.5003 3101535
 12/8/2015 14.0.7164.5000 3114409
 12/16/2015 14.0.7165.5000 3115460
 1/12/2016 14.0.7165.5000 3114570
 2/9/2016 14.0.7166.5000 3114756
 3/8/2016 14.0.7167.5000 3114883
 4/5/2016 14.0.7168.5000 3114996
 5/3/2016 14.0.7169.5000 3115127
 7/12/2016 14.0.7169.5000 3115246
 8/9/2016 14.0.7172.5000 3115474
 9/13/2016 14.0.7172.5000 3118313

View the Pre-SP2 version list for Outlook 2010

View the Microsoft Support Lifecycle information for Outlook 2010


Outlook 2007

Outlook 2007 Update File Version KB 
RTM - 11/30/2006 12.0.4518.1014
SP1 - 12/8/2007 12.0.6212.1000 936982
SP2 - 4/24/2009 12.0.6423.1000 953195
SP3 - 10/25/2011 12.0.6607.1000 2526086
 12/13/2011 12.0.6656.5000 2596993
 3/7/2012 12.0.6658.5002 2597964
 4/24/2012 12.0.6661.5003 2598135
 6/26/2012 12.0.6662.5000 2687262
 8/28/2012 12.0.6664.5000 2687336
 10/30/2012 12.0.6668.5000 2687540
 11/13/2012 12.0.6665.5003 2687404
 2/12/2013 12.0.6673.5000 2760822
 4/9/2013 12.0.6673.5000 2799874
 8/13/2013 12.0.6680.5000 2768023
 4/8/2014 12.0.6691.5000 2863811
 3/8/2016 12.0.6744.5000 2880510
 8/9/2016 12.0.6753.5000 3114981
 9/13/2016 12.0.6753.5000 3118303

View the Pre-SP3 version list for Outlook 2007

View the Microsoft Support Lifecycle information for Outlook 2007


Outlook 2003

Outlook 2003 Update File Version KB 
RTM - 11/20/2003 11.0.5510.0
SP1 - 7/26/2004 11.0.6353.0 842532
SP2 - 9/26/2005 11.0.7969.0 887616
SP3 - 9/17/2007 11.0.8173.0 923618
 12/14/2010 11.0.8326.0 2449798

View more file version information for Outlook 2003

View the Microsoft Support Lifecycle information for Outlook 2003

 


Outlook 2016 for Mac

 

Release Date File Version KB 
Public Preview

10/31/2014

15.3 (141024)

 

12/16/2014 15.4 (141114) 3025088
1/20/2015 15.6 (150113) 3032066
3/5/2015 15.8 (150303) 3038443
3/13/ 2015 15.8.1 (150311) 3048177
3/31/2015 15.8.2 (150328) 3048674
4/14/2015 15.9 (150408) 3055707
5/12/2015 15.10 (150508) 3048682
6/10/2015 15.11 (150609) 3048692
6/23/2015 15.11.1 (150618) 3074179
7/9/2015 15.11.2 (150701) 3074479
7/28/2015 15.12.3 (150724) 3074482
8/11/2015 15.13.1 (150807) 3085420
9/15/2015 15.14 (150911) 3088502
9/23/2015 15.14.2 (150923) 3098225
10/13/2015 15.15 (151008) 3097264
11/10/2015 15.16 (151105) 3102925
12/10/2015 15.17 (151206) 3119518
12/17/2015 15.17.1 (151217) 3127248
1/12/2016 15.18 (160109) 3133711
2/16/2016 15.19.1 (160212) 3134241
3/16/2016 15.20 (160315) 3138327
4/12/2016 15.21.1 (160411) 3114937
5/10/2016 15.22 (160506) 3155777
6/14/2016 15.23 (160604) 3165798
7/12/2016 15.24 (160709) 3170460
8/22/2016 15.25 (160817) 3179163
9/13/2016 15.26 (160910) 3186807
10/11/2016 15.27 (161010) 3193438
11/15/2016 15.28 (161115) 3198798

View the Microsoft Support Lifecycle information for Outlook 2016 for Mac

 


Outlook for Mac 2011

 

Release Date File Version KB 
RTM - 10/26/2010 14.0.0
11/9/2010 14.0.1 2454823
12/13/2010 14.0.2 2476509
SP1 - 4/12/2011 14.1.0 2525412
6/14/2011 14.1.2 2555784
9/13/2011 14.1.3 2598783
12/13/2011 14.1.4 2644347
SP2 - 4/12/2012 14.2.0 2685940
5/8/2012 14.2.2 2665351
7/10/2012 14.2.3 2721015
9/19/2012 14.2.4 2742588
11/13/2012 14.2.5 2764047
SP3 - 1/29/2013 14.3.0 2793758
2/11/2013 14.3.1 2814835
3/12/ 2013 14.3.2 2817452
5/7/2013 14.3.4 2830450
6/11/2013 14.3.5 2848689
7/16/2013 14.3.6 2869604
9/10/2013 14.3.7 2877813
10/8/2013 14.3.8 2889496
11/19/2013 14.3.9 2902808
4/8/2014 14.4.1 2939132
5/27/2014 14.4.2 2970766
6/24/2014 14.4.3 2978808
8/26/2014 14.4.4 2994002
10/14/2014 14.4.5 3004865
11/11/2014 14.4.6 3016338
12/9/2014 14.4.7 3018888
2/10/2015 14.4.8 3034381
4/14/2015 14.4.9 3051737
5/12/2015 14.5.0 3062536
5/19/2015 14.5.1 3048688
6/16/2015 14.5.2 3048691
7/14/2015 14.5.3 3073865
8/11/2015 14.5.4 3081349
9/8/2015 14.5.5 3088501
10/7/2015 14.5.6 3098229
10/13/2015 14.5.7 3097266
11/10/2015 14.5.8 3102924
12/10/2015 14.5.9 3119517
1/12/2016 14.6.0 3133699
2/16/2016 14.6.1 3137721
3/16/2016 14.6.2 3138328
4/12/2016 14.6.3 3154208
5/10/2016 14.6.4 3155776
6/14/2016 14.6.5 3165796
7/12/2016 14.6.6 3170463
8/22/2016 14.6.7 3179162
9/13/2016 14.6.8 3186805
10/11/2016 14.6.9 3193442
11/15/2016 14.7.0 3198807

View the Microsoft Support Lifecycle information for Outlook for Mac 2011

 


See also

Exchange Server