Apologies for delay.
I know you said you don't have a smartphone, but do you have the outlook application installed on any PC or tablet?
Have you been doing anything with auto-forward lately? Do you have alternate e-mail addresses set up?
Does it happen on just received email or sent as well? What happens if you send yourself an email?
Could you explain a bit more about what happens when you try to delete the undeletable one?
Last edited by: No FM2R on Thu 15 Jul 21 at 16:48
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