Users often visit Web sites or receive email messages with embedded Mailto links on client side. This article provides information on the configuration of published Microsoft Outlook for content redirection of MailTo protocol.

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Instructions

Complete the following steps to configure Microsoft Outlook 2016 for content redirection of MailTo protocols on client side.

1. The published application information can be found in the following registry key.
HKEY_CLASSES_ROOT\Dazzle.<%Application_Name%>.<%Extensions%>.<%Number%>

For example, published Microsoft Outlook 2016 is shown as Dazzle.Outlook 2016.mailto.1.



2. Create MailTo.xml file with the content as below, then put it into a folder(eg, E:\FTATest).
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<?xml version="1.0" encoding="UTF-8"?>
<DefaultAssociations>
    <Association Identifier="mailto" ProgId="Dazzle.Outlook 2016.mailto.1" ApplicationName="FTA Outlook" />
</DefaultAssociations>
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3. Edit a GPO and go to Computer configuration/Policies/Administrative templates/Windows Components/File Explorer. Open [Set a default associations configuration file] setting, click on enable, paste the path of MailTo.xml in "Default Association Configuration File", click on Apply and then OK.



4. Check MailTo protocal default application setting on client side. It should display published Outlook 2016.
If the published Outlook 2016 is not shown here, please restart client machine to check again.