When using Outlook Add-ins it would be great to be able to keep the Add-in Side Bar always open, when switching between Appointment / Meetings. This already works for emails, when using a Template Add-in. But unfortunately not for Calendar entries. We use a Confluence Outlook Add-in by Meetical for Meeting notes, but any app providing related information to appointments could profit from this (including OneNote!).
Please support my idea! :)