Importing calendar from outlook

Hi,
I used to be able to see appointments from my outlook calendar in my planner but this seems to have disappeared. I not sure I changed anything and I cannot seem to get it back. Please help!

Thanks

Give this post a look
www.idoceo.net/index.php/en/planning-art...and-google-calendars
and make sure Events are enabled in the planner (three dots button top right corner)