Platform | Required build |
iOS | Already available. |
Android | Already available. |
Mac1 | 15.26+ |
Web | N/A, available to all. |
Windows 10 Mobile | 16.0.8600+ |
Outlook 2016 for Windows1, 2 | 16.0.7967.2xxx+ / Version 1703 of Monthly Channel Coming in July 2018 for Semi-Annual release. Coming in March 2018 for Semi-Annual Targeted. |