Open the Store icon at the top of the Outlook bar. When the add-ins box pops up, search for ZynBit in the search bar. Add the plugin and make sure the toggle is set to On.
Return to email and open an item. You will see the ZynBit Icon and clicking will display the side panel on the right side of your screen. The first time you launch, you will be asked to connect using the same login information you use for zynbit.com. After this, the connection information in retained.
Once you have connected you can bring up the sidebar whenever desired by clicking the Zynbit icon on any email.