The Outlook Error code 0x80040900 can occur if Outlook cannot connect to the email server or if there is an error with the settings or configuration of your email ...
This error occurs on Outlook 2010 and Outlook 2013 versions due to the corruption of the Outlook profile. Typically, it doesn’t allow the application to send or ...
Microsoft is investigating a known issue that prevents some Classic Outlook users from sending emails via Outlook.com.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results