Absolutely! When creating a Dynamic Distribution Group (DDG), you can indeed include other distribution groups or mail-enabled security groups as long as their criteria match the desired conditions. The new EAC also brings the Dynamic Distribution Groups report, which simplifies the management process significantly. If you’re interested in staying up to date with the latest advancements regarding DDGs report in the new EAC, I highly recommend checking out this informative blog. @BejeweledOne https://m365scripts.com/exchange-online/dynamic-distribution-groups-in-microsoft-365/
