At the moment it is not possible to bulk delete messages in Stride. A feature request regarding this was made early on in 2018 and is currently still open;
So, for the time being, you will have to delete each message individually.
All good things come to an end - thanks to all our customers and partners who have been along the Hipchat and Stride journey with us. As of Feb 15th 2019, Hipchat Cloud and Stride have reached ...
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