Evernote: Only notes with a reminder will show up in the Outlook calendar. All notes are read-only. If you would like to edit a note you will need to open it in Evernote.
Facebook Birthdays will only show up for Facebook friends who are also using Outlook integration. Only events you're invited to or have accepted will show up in the Outlook calendar.
Wunderlist: Only tasks with a due date will show up in the Outlook calendar. All tasks are read-only. If you would like to edit a task you will need to open it in Wunderlist. If you are missing any of your notes or events from a connected Calendar App, please make sure the app is enabled in the calendar menu (tick next to the connected app).
Meetup: We default to adding all Meetup calendars from your account, but only enable the Meetups I’m attending calendar by default. Please use the calendar settings to enable or disable specific calendars - All events are read-only. If you need to make edits to events you own, you will need to open it in Meetup.