Outlook calendar integration is a feature now and this can be closed. 2-way appt push from GHL -> Outlook cal when a meeting is booked works as well

Absolutely - if the client uses it, it's a must. Creating a Google account as a passthrough is just adding a single point of breakage.

I've never been a big believer that these "upvotes" actually matter to the product roadmap.Nonetheless, Outlook is a corporate standard. Of course HL should integrate.