Microsoft isn’t happy you’re using unsupported Exchange versions, announces final deadline July 28, 2025 by admin Tweet Microsoft has put out a rather sternly worded advisory urging customers to complete public folder migrations from legacy versions of Exchange as soon as possible. Read more… Neowin Related Posts:Microsoft gives final warning about Basic Auth…Microsoft issues advisory about two 0-day…Exchange Server Subscription Edition is here, but…Microsoft announces it will soon update its Exchange…Mozilla extends Firefox support on unsupported…