Email missing from 'Sent' Folder
Last night I checked my 'sent' folder and it contained previous email I've sent over the past several months. This morning, there is a noticible gap from 10:05 am this morning (April 14) and Nov 17, 2019. Basically 5 months of my 'sent' email disappeared. I did not delete anything, and nothing that would have been in my sent folder appears in my 'trash' folder.
Yes, I do have virus protection, and had not opened or done anything unusual with email between last night and this morning.
I've read forum messages about sudden email disappearnce and now undertand their frustration and sense of loss.
How can I recover those past email I've sent.