Your version of Microsoft Dynamics 365 for Outlook, which appears to be in offline mode, isn't supported for upgrading to ...

Your version of Microsoft Dynamics 365 for Outlook, which appears to be in offline mode, isn't supported for upgrading to Dynamics 365 for Outlook. You must first make sure you have an Internet connection, start Dynamics 365 for Outlook, click Go Online, and upgrade Dynamics 365 for Outlook to a version that is supported for upgrading to Dynamics 365 for Outlook.