Exchange Versions

This is the list of Exchange versions, build numbers and release dates for major releases (RTM, Service Packs) as well as Cumulative Updates and Rollups. The table also contains a link to the release notes or related KB article as well as a download link. Note that downloads for older versions might become unavailable over time.

Latest releases are at the top; version numbers may vary slightly between the reported version installed, and version of Exchange’s setup program, ExSetup.exe.

2020-NOW

VERSION BUILD RELEASE INFO
2019CU12+KB5015322 15.2.1118.12 Aug-22 KB5015322
2019CU11+KB5015322 15.2.986.29 Aug-22 KB5015322
2016CU23+KB5015322 15.1.2507.12 Aug-22 KB5015322
2016CU22+KB5015322 15.1.2375.31 Aug-22 KB5015322
2013CU23+KB5015321 15.0.1497.40 Aug-22 KB5015321
2019CU12+KB5014261 15.2.1118.9 May-22 KB5014261
2019CU11+KB5014261 15.2.986.26 May-22 KB5014261
2016CU23+KB5014261 15.1.2507.9 May-22 KB5014261
2016CU22+KB5014261 15.1.2375.28 May-22 KB5014261
2013CU23+KB5014260 15.0.1497.36 May-22 KB5014260
2019CU12 (H1 2022) 15.2.1118.7 Apr-22 KB5011156
2016CU23 15.1.2507.6 Apr-22 KB5011155
2019CU11+KB5012698 15.2.986.22 Mar-22 KB5012698
2019CU10+KB5012698 15.2.922.27 Mar-22 KB5012698
2016CU22+KB5012698 15.1.2375.24 Mar-22 KB5012698
2016CU21+KB5012698 15.1.2308.27 Mar-22 KB5012698
2013CU23+KB5010324 15.0.1497.33 Mar-22 KB5010324
2019CU11+KB5008631 15.2.986.15 Jan-22 KB5008631
2019CU10+KB5008631 15.2.922.20 Jan-22 KB5008631
2016CU22+KB5008631 15.1.2375.18 Jan-22 KB5008631
2016CU21+KB5008631 15.1.2308.21 Jan-22 KB5008631
2013CU23+KB5008631 15.0.1497.28 Jan-22 KB5008631
2019CU11+KB5007409 15.2.986.14 Nov-21 KB5007409
2019CU10+KB5007409 15.2.922.19 Nov-21 KB5007409
2016CU22+KB5007409 15.1.2375.17 Nov-21 KB5007409
2016CU21+KB5007409 15.1.2308.20 Nov-21 KB5007409
2013CU23+KB5007409 15.0.1497.26 Nov-21 KB5007409
2019CU11+KB5007012 15.2.986.9 Oct-21 KB5007012
2019CU10+KB5007012 15.2.922.14 Oct-21 KB5007012
2016CU22+KB5007012 15.1.2375.12 Oct-21 KB5007012
2016CU21+KB5007012 15.1.2308.15 Oct-21 KB5007012
2013CU23+KB5007011 15.0.1497.24 Oct-21 KB5007011
2019CU11 15.2.986.5 Sep-21 KB5005334
2016CU22 15.1.2375.7 Sep-21 KB5005333
2019CU10+KB5004780 15.2.922.13 Jun-21 KB5004780
2019CU9+KB5004780 15.2.858.15 Jun-21 KB5004780
2016CU21+KB5004779 15.1.2308.14 Jun-21 KB5004779
2016CU20+KB5004779 15.1.2242.12 Jun-21 KB5004779
2013CU23+KB5004778 15.0.1497.23 Jun-21 KB5004778
2019CU10 15.2.922.7 Jun-21 KB5003612
2016CU21 15.1.2308.8 Jun-21 KB5003611
2019CU9+KB5003435 15.2.858.12 May-21 KB5003435
2019CU8+KB5003435 15.2.792.15 May-21 KB5003435
2016CU20+KB5003435 15.1.2242.10 May-21 KB5003435
2016CU19+KB5003435 15.1.2176.14 May-21 KB5003435
2013CU23+KB5003435 15.0.1497.18 May-21 KB5003435
2019CU9+KB5001779 15.2.858.10 Apr-21 KB5001779
2019CU8+KB5001779 15.2.792.13 Apr-21 KB5001779
2016CU20+KB5001779 15.1.2242.8 Apr-21 KB5001779
2016CU19+KB5001779 15.1.2176.12 Apr-21 KB5001779
2013CU23+KB5001779 15.0.1497.15 Apr-21 KB5001779
2019CU9 15.2.858.2 Mar-21 KB4602570
2016CU20 15.1.2242.4 Mar-21 KB4602569
2019CU8+KB5000871 15.2.792.10 Mar-21 KB5000871
2019CU7+KB5000871 15.2.721.13 Mar-21 KB5000871
2016CU19+KB5000871 15.1.2176.9 Mar-21 KB5000871
2016CU18+KB5000871 15.1.2106.13 Mar-21 KB5000871
2013CU23+KB5000871 15.0.1497.12 Mar-21 KB5000871
2019CU6+KB5000871 15.2.659.12 Mar-21 KB5000871
2019CU5+KB5000871 15.2.595.8 Mar-21 KB5000871
2019CU4+KB5000871 15.2.529.13 Mar-21 KB5000871
2019CU3+KB5000871 15.2.464.15 Mar-21 KB5000871
2019CU2+KB5000871 15.2.397.11 Mar-21 KB5000871
2019CU1+KB5000871 15.2.330.11 Mar-21 KB5000871
2019+KB5000871 15.2.221.18 Mar-21 KB5000871
2016CU17+KB5000871 15.1.2044.13 Mar-21 KB5000871
2016CU16+KB5000871 15.1.1979.8 Mar-21 KB5000871
2016CU15+KB5000871 15.1.1913.12 Mar-21 KB5000871
2016CU14+KB5000871 15.1.1847.12 Mar-21 KB5000871
2016CU13+KB5000871 15.1.1779.8 Mar-21 KB5000871
2016CU12+KB5000871 15.1.1713.10 Mar-21 KB5000871
2016CU11+KB5000871 15.1.1591.18 Mar-21 KB5000871
2016CU10+KB5000871 15.1.1531.12 Mar-21 KB5000871
2016CU9+KB5000871 15.1.1466.16 Mar-21 KB5000871
2016CU8+KB5000871 15.1.1415.10 Mar-21 KB5000871
2013CU22+KB5000871 15.0.1473.6 Mar-21 KB5000871
2013CU21+KB5000871 15.0.1395.12 Mar-21 KB5000871
2010 SP3 RU32 14.3.513.0 Mar-21 KB5000871
2019CU8+KB4602269 15.2.792.5 Feb-21 KB4602269
2019CU7+KB4602269 15.2.721.8 Feb-21 KB4602269
2016CU19+KB4602269 15.1.2176.4 Feb-21 KB4602269
2016CU18+KB4602269 15.1.2106.8 Feb-21 KB4602269
2019CU8 15.2.792.3 Dec-20 KB4588885
2016CU19 15.1.2176.2 Dec-20 KB4588884
2019CU7+KB4593465 15.2.721.6 Dec-20 KB4593465
2019CU6+KB4593465 15.2.659.11 Dec-20 KB4593465
2016CU18+KB4593465 15.1.2106.6 Dec-20 KB4593465
2016CU17+KB4593465 15.1.2044.12 Dec-20 KB4593465
2013CU23+KB4593466 15.0.1497.10 Dec-20 KB4593466
2010 SP3 RU31 14.3.509.0 Dec-20 KB4593467
2019CU7+KB581424 15.2.721.4 Nov-20 KB4588741
2019CU6+KB581424 15.2.659.8 Nov-20 KB4588741
2016CU18+KB581424 15.1.2106.4 Nov-20 KB4588741
2019CU7+KB581424 15.1.2044.8 Nov-20 KB4588741
2013CU23+KB581424 15.0.1497.8 Nov-20 KB4588741
2019CU7+KB581424 15.2.721.3 Oct-20 KB581424
2019CU6+KB581424 15.2.659.7 Oct-20 KB581424
2016CU18+KB581424 15.1.2106.3 Oct-20 KB581424
2016CU17+KB581424 15.1.2044.7 Oct-20 KB581424
2013CU23+KB581424 15.0.1497.7 Oct-20 KB581424
2019CU7 15.2.721.2 Sep-20 KB4571787
2016CU18 15.1.2106.2 Sep-20 KB4571788
2019CU6+KB4577352 15.2.659.6 Sep-20 KB4577352
2019CU5+KB4577352 15.2.595.6 Sep-20 KB4577352
2016CU17+KB4577352 15.1.2044.6 Sep-20 KB4577352
2016CU16+KB4577352 15.1.1979.6 Sep-20 KB4577352
2019CU6 15.2.659.4 Jun-20 KB4556415
2016CU17 15.1.2044.4 Jun-20 KB4556414
2019CU5 15.2.595.3 Mar-20 KB4537677
2016CU16 15.1.1979.3 Mar-20 KB4537678
2019CU4+KB4536987 15.2.529.8 Feb-20 KB4536987
2019CU3+KB4536987 15.2.464.11 Feb-20 KB4536987
2016CU15+KB4536987 15.1.1913.7 Feb-20 KB4536987
2016CU14+KB4536987 15.1.1847.7 Feb-20 KB4536987
2013CU23+KB4536988 15.0.1497.6 Feb-20 KB4536988
2010 SP3 RU30 14.3.496.0 Feb-20 KB4536989

2015-2019

VERSION BUILD RELEASE INFO
2019CU4 15.2.529.5 Dec-19 KB4522149
2016CU15 15.1.1913.5 Dec-19 KB4522150
2019CU3+ KB4523171 15.2.464.7 Nov-19 KB4523171
2019CU2+ KB4523171 15.2.397.9 Nov-19 KB4523171
2016CU14+ KB4523171 15.1.1847.5 Nov-19 KB4523171
2016CU13+ KB4523171 15.1.1779.7 Nov-19 KB4523171
2013CU23+ KB4523171 15.0.1497.4 Nov-19 KB4523171
2019CU3 15.2.464.5 Sep-19 KB4514141
2016CU14 15.1.1847.3 Sep-19 KB4514140
2019CU2+ KB4515832 15.2.397.6 Sep-19 KB4515832
2019CU1+ KB4515832 15.2.330.10 Sep-19 KB4515832
2016CU13+ KB4515832 15.1.1779.5 Sep-19 KB4515832
2016CU1+ KB4515832 15.1.1713.9 Sep-19 KB4515832
2019CU2 + KB4509408 15.2.397.5 Jul-19 KB4509408
2019CU1 + KB4509408 15.2.330.9 Jul-19 KB4509408
2016 CU13 + KB4509409 15.1.1779.4 Jul-19 KB4509409
2016 CU13 + KB4509409 15.1.1713.8 Jul-19 KB4509409
2013 CU23 + KB4509409 15.0.1497.3 Jul-19 KB4509409
2010 SP3 RU29 14.3.468.0 Jul-19 KB4509410
2019 CU2 15.2.397.3 Jun-19 KB4488401
2016 CU13 15.1.1779.2 Jun-19 KB4488406
2013 CU23 15.0.1497.2 Jun-19 KB4489622
2019 CU1 + KB4503027 15.2.330.8 Jun-19 KB4503027
2019 + KB4503027 15.2.221.17 Jun-19 KB4503027
2016 CU12 + KB4503027 15.1.1713.7 Jun-19 KB4503027
2016 CU11 + KB4503027 15.1.1591.17 Jun-19 KB4503027
2013 CU22 + KB4503028 15.0.1473.5 Jun-19 KB4503028
2010 SP3 RU28 14.3.461.1 Jun-19 KB4503028
2019 CU1 15.2.330.5 Feb-19 KB4471391
2016 CU12 15.1.1713.5 Feb-19 KB4471392
2013 CU22 15.0.1473.3 Feb-19 KB4345836
2010 SP3 RU26 14.3.442.0 Feb-19 KB4487052
2019 + KB4471389 15.2.221.14 Jan-19 KB4471389
2016 CU11 + KB4471389 15.1.1591.13 Jan-19 KB4471389
2016 CU10 +KB4471389 15.1.1531.10 Jan-19 KB4471389
2013 CU21 + KB4471389 15.0.1395.10 Jan-19 KB4471389
2010 SP3 RU25 14.3.435.0 Jan-19 KB4468742
2016 CU11 + KB4468741 15.1.1591.11 Dec-18 KB4468741
2016 CU10 + KB4468741 15.1.1531.8 Dec-18 KB4468741
2019 RTM 15.2.221.12 Oct-18 Release Notes
2016 CU11 15.1.1591.10 Oct-18 KB4134118
2010 SP3 RU24 14.3.419.0 Sep-18 KB4458321
2016 CU10 + KB4340731 15.1.1531.6 Aug-18 KB4099852 KB4340731
2016 CU9 + KB4340731 15.1.1466.10 Aug-18 KB4055222 KB4340731
2013 CU21 + KB4340731 15.0.1395.7 Aug-18 KB4099855 KB4340731
2013 CU20 + KB4340731 15.0.1367.9 Aug-18 KB4055221 KB4340731
2010 SP3 RU23 14.3.417.1 Aug-18 KB4340733
2019 Preview 15.2.191.1 Jul-18
2016 CU10 15.1.1531.3 Jun-18 KB4099852
2013 CU21 15.0.1395.4 Jun-18 KB4099855
2010 SP3 RU22 14.3.411.0 Jun-18 KB4295699
2016 CU9 + KB4092041 15.1.1466.8 May-18 KB4055222 KB4092041
2016 CU8 + KB4092041 15.1.1415.7 May-18 KB4035145 KB4092041
2013 SP1 (CU4) + KB4092041 15.0.847.62 May-18 KB4018588 KB4092041
2013 CU20 + KB4092041 15.0.1367.6 May-18 KB4055221 KB4092041
2013 CU19 + KB4092041 15.0.1365.7 May-18 KB4037224 KB4092041
2010 SP3 RU21 14.3.399.2 May-18 KB4091243
2016 CU9 15.1.1466.3 Mar-18 KB4055222
2013 CU20 15.0.1367.3 Mar-18 KB4055221
2010 SP3 RU20 14.3.389.1 Mar-18 KB4073537
2016 CU8 15.1.1415.2 Dec-17 KB4035145
2016 CU7 + KB4045655 15.1.1261.37 Dec-17 KB4045655
2016 CU6 + KB4045655 15.1.1034.33 Dec-17 KB4045655
2013 CU19 15.0.1365.1 Dec-17 KB4037224
2013 CU18 + KB4045655 15.0.1347.3 Dec-17 KB4045655
2013 CU17 + KB4045655 15.0.1320.7 Dec-17 KB4045655
2010 SP3 RU19 14.3.382.0 Dec-17 KB4035162
2016 CU7 15.1.1261.35 Sep-17 KB4018115
2013 CU18 15.0.1347.2 Sep-17 KB4022631
2016 CU5 + KB4018588 15.1.845.36 Jul-17 KB4018588
2013 SP1 (CU4) + KB4018588 15.0.847.55 Jul-17 KB4018588 KB4013242
2013 CU16 + KB4018588 15.0.1293.4 Jul-17 KB4018588
2010 SP3 RU18 14.3.361.1 Jul-17 KB4018588
2016 CU6 15.1.1034.26 Jun-17 KB4012108
2013 CU17 15.0.1320.4 Jun-17 KB4012114
2016 CU5 15.1.845.34 Mar-17 KB4012106
2016 CU3 + KB4013242 15.1.544.30 Mar-17 KB3152589 KB4013242
2013 SP1 (CU4) + KB4013242 15.0.847.53 Mar-17 KB3184736 KB4013242
2013 CU16 15.0.1293.2 Mar-17 KB4012112
2013 CU14 + KB4013242 15.0.1236.6 Mar-17 KB3177670 KB4013242
2010 SP3 RU17 14.3.352.0 Mar-17 KB4011326
2007 SP3 RU23 8.3.517.0 Mar-17 KB4011325
2016 CU4 15.1.669.32 Dec-16 KB3177106
2013 CU15 15.0.1263.5 Dec-16 KB3197044
2010 SP3 RU16 14.3.339.0 Dec-16 KB3184730
2007 SP3 RU22 8.3.502.0 Dec-16 KB3184712
2016 CU3 15.1.544.27 Sep-16 KB3152589
2016 CU2 + KB3184736 15.1.466.37 Sep-16 KB3135742 KB3184736
2016 CU1 + KB3184736 15.1.396.37 Sep-16 KB3134844 KB3184736
2013 SP1 (CU4) + KB3184736 15.0.847.50 Sep-16 KB3184736 KB3184736
2013 CU14 15.0.1236.3 Sep-16 KB3177670
2013 CU13 + KB3184736 15.0.1210.6 Sep-16 KB3135743 KB3184736
2013 CU12 + KB3184736 15.0.1178.9 Sep-16 KB3108023 KB3184736
2010 SP3 RU15 14.3.319.2 Sep-16 KB3184728
2007 SP3 RU21 8.3.485.1 Sep-16 KB3184711
2016 CU2 15.1.466.34 Jun-16 KB3135742
2013 CU13 15.0.1210.3 Jun-16 KB3135743
2010 SP3 RU14 14.3.301.0 Jun-16 KB3151097
2007 SP3 RU20 8.3.468.0 Jun-16 KB3151086
2016 CU1 15.1.396.30 Mar-16 KB3134844
2013 CU12 15.0.1178.4 Mar-16 KB3108023
2010 SP3 RU13 14.3.294.0 Mar-16 KB3141339
2007 SP3 RU19 8.3.459.0 Mar-16 KB3141352

2010-2014

VERSION BUILD RELEASE INFO
2013 CU11 15.0.1156.6 Dec-15 KB3099522
2010 SP3 RU12 14.3.279.2 Dec-15 KB3096066
2007 SP3 RU18 8.3.445.0 Dec-15 KB3078672
2016 RTM 15.1.225.42 Oct-15 Release Notes
2013 CU10 15.0.1130.7 Sep-15 KB3078678
2010 SP3 RU11 14.3.266.1 Sep-15 KB3078674
2016 Preview 15.1.225.17 Jul-15 Release Notes
2013 CU9 15.0.1104.5 Jun-15 KB3049849
2010 SP3 RU10 14.3.248.2 Jun-15 KB3049853
2007 SP3 RU17 8.3.417.1 Jun-15 KB3056710
2013 CU8 15.0.1076.9 Mar-15 KB3030080
2010 SP3 RU9 14.3.235.1 Mar-15 KB3030085
2007 SP3 RU16 8.3.406.0 Mar-15 KB3030086
2013 CU7 15.0.1044.25 Dec-14 KB2986485
2010 SP3 RU8 v2 14.3.224.2 Dec-14 KB2986475
2010 SP3 RU8 v1 14.3.224.1 Dec-14 KB2986475
2007 SP3 RU15 8.3.389.2 Dec-14 KB2996150
2013 CU6 15.0.995.29 Aug-14 KB2961810
2010 SP3 RU7 14.3.210.2 Aug-14 KB2961522
2007 SP3 RU14 8.3.379.2 Aug-14 KB2936861
2013 CU5 15.0.913.22 May-14 KB2936880
2010 SP3 RU6 14.3.195.1 May-14 KB2936871
2013 SP1 (CU4) 15.0.847.32 Feb-14 KB2926248
2010 SP3 RU5 14.3.181.6 Feb-14 KB2917508
2007 SP3 RU13 8.3.348.2 Feb-14 KB2917522
2013 CU3 + KB2880833 15.0.775.41 Dec-13 KB2892464 KB2880833
2013 CU2 + KB2880833 15.0.712.31 Dec-13 KB2859928 KB2880833
2010 SP3 RU4 14.3.174.1 Dec-13 KB2905616
2010 SP2 RU8 14.2.390.3 Dec-13 KB2903903
2007 SP3 RU12 8.3.342.4 Dec-13 KB2903911
2013 CU3 15.0.775.38 Nov-13 KB2892464
2010 SP3 RU3 14.3.169.1 Nov-13 KB2891587
2013 CU2 + KB2874216v2 15.0.712.28 Aug-13 KB2859928 KB2874216
2013 CU1 + KB2874216v2 15.0.620.34 Aug-13 KB2816900 KB2874216
2010 SP3 RU2 14.3.158.1 Aug-13 KB2866475
2010 SP2 RU7 14.2.375.0 Aug-13 KB2874216
2007 SP3 RU11 8.3.327.1 Aug-13 KB2873746
2013 CU2 v2 v2:15.0.712.24 (v1:15.0.712.22) Jul-13 KB2859928
2010 SP3 RU1 14.3.146.0 May-13 KB2803727
2013 CU1 15.0.620.29 Apr-13 KB2816900
2010 SP3 14.3.123.4 Feb-13 Release Notes
2010 SP2 RU6 14.2.342.3 Feb-13 KB2746164
2007 SP3 RU10 8.3.298.3 Feb-13 KB2788321
2010 SP2 RU5 v2 14.2.328.10 Dec-12 KB2785908
2010 SP1 RU8 14.1.438.0 Dec-12 KB2787763
2007 SP3 RU9 8.3.297.2 Dec-12 KB2746157
2010 SP2 RU5 v1 14.2.328.5 Nov-12 KB2785908
2010 SP1 RU7 v3 14.1.421.3 Nov-12 KB2778158
2007 SP3 RU8 v3 8.3.279.6 Nov-12 KB2778154
2013 RTM (Exchange ‘15’) 15.0.516.32 Oct-12 Release Notes
2010 SP2 RU4 v2 14.2.318.4 Oct-12 KB2706690
2010 SP1 RU7 v2 14.1.421.2 Oct-12 KB2778158
2007 SP3 RU8 v2 8.3.279.5 Oct-12 KB2778154
2010 SP2 RU4 v1 14.2.318.2 Aug-12 KB2706690
2010 SP1 RU7 v1 14.1.421.0 Aug-12 KB2778158
2007 SP3 RU8 v1 8.3.279.3 Aug-12 KB2778154
2010 SP2 RU3 14.2.309.2 May-12 KB2685289
2010 SP2 RU2 14.2.298.4 Apr-12 KB2661854
2007 SP3 RU7 8.3.264.0 Apr-12 KB2655203
2010 SP2 RU1 14.2.283.3 Feb-12 KB2645995
2007 SP3 RU6 8.3.245.2 Jan-12 KB2608656
2010 SP2 14.2.247.5 Dec-11 Release Notes
2010 SP1 RU6 14.1.355.2 Oct-11 KB2608646
2007 SP3 RU5 8.3.213.1 Sep-11 KB2602324
2010 SP1 RU5 14.1.339.1 Aug-11 KB2582113
2010 SP1 RU4 v2 14.1.323.6 Jul-11 KB2579150
2007 SP3 RU4 8.3.192.1 Jul-11 KB2509911
2010 SP1 RU4 v1 14.1.323.1 Jun-11 KB2579150
2010 SP1 RU3 v3 14.1.289.7 Apr-11 KB2529939
2007 SP3 RU3 v2 8.3.159.2 Apr-11 KB2492691
2010 SP1 RU3 v1 14.1.289.3 Feb-11 KB2529939
2007 SP3 RU3 v1 8.3.159.0 Feb-11 KB2492691
2010 SP1 RU2 14.1.270.1 Dec-10 KB2425179
2010 RU5 14.0.726.0 Dec-10 KB2407113
2007 SP3 RU2 8.3.137.3 Dec-10 KB2407025
2007 SP2 RU5 8.2.305.03 Dec-10 KB2407132
2010 SP1 RU1 14.1.255.2 Oct-10 KB2407082
2007 SP3 RU1 8.3.106.2 Sep-10 KB2279665
2010 SP1 14.1.218.15 Aug-10 Release Notes
2010 RU4 14.0.702.1 Jun-10 KB982639
2007 SP3 8.3.83.6 Jun-10 Release Notes
2010 RU3 14.0.694.0 Apr-10 KB981401
2007 SP2 RU4 8.2.254.0 Apr-10 KB989381
2007 SP1 RU10 8.1.436.0 Apr-10 KB981407
2003 Post SP2 6.5.7656.2 Apr-10 KB976702
2000 Post SP3 6.0.6620.15 Apr-10 KB976703
2010 RU2 14.0.689.0 Mar-10 KB979611
2007 SP2 RU3 8.2.247.2 Mar-10 KB979784
2007 SP2 RU2 8.2.234.1 Jan-10 KB972076

2005-2009

VERSION BUILD RELEASE INFO
2010 RU1 14.0.682.1 Dec-09 KB976573
2007 SP2 RU1 8.2.217.3 Nov-09 KB971534
2010 RTM (Exchange ‘14’) 14.0.639.21 Oct-09 Release Notes
2007 SP2 8.2.176.2 Aug-09 Release Notes
2007 SP1 RU9 8.1.393.1 Jul-09 KB970162
2007 SP1 RU8 8.1.375.2 May-09 KB968012
2007 SP1 RU7 8.1.359.2 Mar-09 KB960384
2007 SP1 RU6 8.1.340.1 Feb-09 KB959241
2007 SP1 RU5 8.1.336.1 Nov-08 KB953467
2007 SP1 RU4 8.1.311.3 Oct-08 KB952580
2003 Post SP2 6.5.7654.4 Aug-08 KB956398
2007 SP1 RU3 8.1.291.2 Jul-08 KB949870
2007 RU7 8.0.813.0 Jul-08 KB953469
2007 SP1 RU2 8.1.278.2 May-08 KB948016
2003 Post SP2 6.5.7653.33 Mar-08 KB951061
2007 SP1 RU1 8.1.263.1 Feb-08 KB945684
2007 RU6 8.0.783.2 Feb-08 KB942846
2007 SP1 8.1.240.6 Nov-07 Release Notes
2007 RU5 8.0.754.0 Oct-07 KB941421
2007 RU4 8.0.744.0 Aug-07 KB940006
2007 RU3 8.0.730.1 Jun-07 KB935999
2007 RU2 8.0.711.2 May-07 KB935490
2007 RU1 8.0.708.3 Apr-07 KB930809
2007 RTM (Exchange ‘12’) 8.0.685.25/24 Dec-06 Release Notes
Kodiak (Cancelled) 7.x N/A
2003 Post-SP2 6.5.7654.4 Aug-08
2000 Post-SP3 (Mercury) 6.0.6620.7 Aug-08
2003 SP2 6.5.7638 Oct-05 KB906669

2004 AND EARLIER

VERSION BUILD RELEASE INFO
2003 SP1 6.5.7226 May-04 Release Notes
2003 RTM (Titanium) 6.5.6944 Oct-03
2000 SP3 6.0.6249 Jul-02
2000 SP2 6.0.5762 Nov-01
2000 SP1 6.0.4712 Jun-01
5.5 Post SP4 5.5.2655.37 Oct-01 KB282533
2000 RTM (Platinum) 6.0.4417 Nov-00 Release Notes
5.5 SP4 5.5.2653 Nov-00 KB274831 KB274833
5.5 SP3 5.5.2650 Sep-99
5.5 SP2 5.5.2448 Dec-98
5.5 SP1 5.5.2232 Aug-98
5.5 RTM (Osmium) 5.5.1960 Feb-98
5.0 SP2 5.0.1460 Feb-98
4.0 SP5 4.0.996 May-98
5.0 SP1 5.0.1458 Jun-97
5.0 RTM 5.0.1457 Mar-97
4.0 SP4 4.0.995 Mar-97
4.0 SP3 4.0.994 Oct-96
4.0 SP2 4.0.993 Jul-96
4.0 SP1 4.0.838 May-96
4.0 RTM (Touchdown) 4.0.837 Apr-96
Internal (Mercury, Spitfire)

URL list