I have received an email from MS Exchange saying "Please reduce your mailbox size. Delete any items you don't need from your mailbox and empty your Deleted Items folder." I have 6 months' worth of emails and can't find a way of deleting them apart from a few at a time. Either I get a message saying I have selected too many rows, or if I just press the delete key, sooner or later I get an error message about an incorrect ID and have to exit out of 365. When I return most of the emails I was trying to delete are still there. This is an ancient problem for me and I am no longer prepared to waste hours deleting emails individually so I can continue to receive new emails (I rarely look at 365 otherwise, using Outlook on my PC instead). Does anyone know a straightforward shortcut for this action please?
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