Since TLS 1.0 protocol is not secure, it should be disabled worldwide, but applications using WinHTTP on Windows7 machines support TLS 1.0 only. As a result, Outlook throws the error "your server does not support the connection encryption type you have specified”.
Add the steps involved:
|Attention! This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, see: How to back up and restore the registry in Windows.|
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