Direct Inward Dialing: +1 408 916 9890


| If your Build Number is | Update to build number |
| 4500 through 4531 |
Download and update to latest 4532 |
| 4400 through 4425 |
Download and update to 4500 |

You can contact M365 Security Plus Support at any time for assistance in updating M365 Security Plus to the latest version.