Verizon which purchased Yahoo in 2017  announced that Yahoo Groups will shut down on Decemer 15, 2929 when the groups.yahoo.com webstie goes offline for good.  Verizon cited they never planned to revive the service and there has been a steady decline in usage over the past several years.

See: https://www.zdnet.com/article/yahoo-groups-to-shut-down-for-good-on-december-15-2020/

Jan Meisels Allen

Chairperson, IAJGS Public Records Access Monitoring Committee