| Product Name | Release Date | Build Number (Short Format) | Build Number (Long Format) | Link |
|---|---|---|---|---|
| Exchange Server 2019 RTM | 10/22/2018 | 15.02.0221.018 | 15.02.0221.018 | Download |
| Exchange Server 2019 CU1 | 01/08/2019 | 15.02.0330.005 | 15.02.0330.005 | KB4471389 |
| Exchange Server 2019 CU2 | 06/18/2019 | 15.02.0397.003 | 15.02.0397.003 | KB4503027 |
| Exchange Server 2019 CU3 | 09/17/2019 | 15.02.0464.005 | 15.02.0464.005 | KB4514141 |
| Exchange Server 2019 CU4 | 12/17/2019 | 15.02.0529.005 | 15.02.0529.005 | KB4536987 |
| Exchange Server 2019 CU5 | 03/17/2020 | 15.02.0595.003 | 15.02.0595.003 | KB4540123 |
| Exchange Server 2019 CU6 | 06/16/2020 | 15.02.0659.004 | 15.02.0659.004 | KB4556414 |
| Exchange Server 2019 CU7 | 09/15/2020 | 15.02.0721.002 | 15.02.0721.002 | KB4571787 |
| Exchange Server 2019 CU8 | 12/15/2020 | 15.02.0792.003 | 15.02.0792.003 | KB4588884 |
| Exchange Server 2019 CU8 SU (KB5000871) | 03/02/2021 | 15.02.0792.010 | 15.02.0792.010 | KB5000871 |
| Exchange Server 2019 CU9 | 03/16/2021 | 15.02.0858.005 | 15.02.0858.005 | KB4602570 |
| Exchange Server 2019 CU10 | 06/29/2021 | 15.02.0922.005 | 15.02.0922.005 | KB5003612 |
| Exchange Server 2019 CU11 | 10/12/2021 | 15.02.0986.005 | 15.02.0986.005 | KB5007012 |
| Exchange Server 2019 CU12 | 04/20/2022 | 15.02.1118.007 | 15.02.1118.007 | KB5011157 |
| Exchange Server 2019 CU13 | 10/11/2022 | 15.02.1258.012 | 15.02.1258.012 | KB5019077 |
| Exchange Server 2019 CU14 | 04/18/2023 | 15.02.1497.002 | 15.02.1497.002 | KB5024296 |
| Exchange Server 2019 CU15 | 10/24/2024 | 15.02.1544.004 | 15.02.1544.004 | KB5044281 |
