Are you using Outlook to access
webmail accounts such as Gmail, Yahoo!, Hotmail, AOL, etc.? Or are these e-mail accounts hosted by a private mail server such as companies, universities, etc. provide? Outlook tends to go a bit funny in the head when pointed at a webmail account, producing the sorts of symptoms you describe. If you are accessing webmail accounts, I recommend that you use the web interface via your browser instead because it tends to be snappier and more reliable.
'Luthon64
"Sensitive" people are now carefully examining the entire universe, trying to find something to be "offended" at. It won't stop until such time as the "offenders" learn to stop apologizing, and saying "freck off" instead. — brianvds, The ShoutBox Classics, 02/07/2018.