Select More Settings and click on Advanced tab.Select the target account and click on Change.Got to File>Info>Account Settings>Account Settings.Server timeout setting can be modified by following the steps: Select the Outbox folder, move the messages to the Draft folder or Delete the message stored in Outbox folder.
Launching outlook in safe mode can resolve many outlook errors. So follow this method, only with caution. However, this method has some security risks associated with it. Make sure that your firewall does not block Outlook.exe from accessing Internet.
Therefore, disable all the programs until you start accessing your emails. Sometimes these types of programs prevent you from connecting to your email account correctly.
Disable the anti-virus program, firewall software, email spammers or email scanning software that is currently running on your machine.
Some invalid changes in Incoming, Outgoing, Username, and Password account settings can affect the connection of your Outlook application. This error can also occur because of the configurational changes in your Outlook email account. Check the settings for the Email Account in Outlook.Many factors govern a consistent Internet connection so, do check for the configurational and hardware changes causing the loss of connectivity on your system. It is possible that your Internet connection is not stable. To fix the error, do the actions mentioned in the steps given below. Resolving the IMAP error -0X800CCC0E in MS Outlook You should know the exact culprit in order to fix the issue quickly. Incorrect configuration with wrong port numbers.