Hi, Has anyone worked out how to make Outlook the default Mail app for 'Mailto' links without also using the OSX 'Mail' app? I followed a few online tutorials around configuring the setting from inside the Mail account, which involves temporarily creating a 'fake' email account then changing the setting from inside the Mail->Preferences menu - however I cannot get this setting to stick, every time I quit Mail the setting reverts. Apple Support were less than helpful, in fact they said it is not possible: James Ok, thank you for the information. As it turns out, Outlook is not able to, by design function as the default mail application. What you are experiencing is normal behavior. However, there may be a workaround available; please give me a moment to consult my resources to find out for you. Is that ok? James Thank you for your patience. Per my resources I may need to refer you over to Microsoft; prior to doing so, I want to try something: do you have Outlook as an application? Surely it must be possible to change this in the OS? THanks!