Outlook not connecting to the server means not connecting to the internet or browser due to a variety of reasons like lack of internet connection, error, many people using the same website at the same time, or due to your setting issues.
For this - 1. Click manually to control the connection state, and then select the connection type when starting the check box.
In this case, you cannot work with Outlook. Solve the issue related to the server like connecting to internet or restarting or checking the settings if any problem.
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