Forum Discussion
Move a SharePoint 2010 Calendar to an Office 365 Groups Calendar
One of the big pluses of our migration to Office 365 is moving our small company Intranet, currently on an internally hosted SharePoint 2010 Server, to SharePoint in the Office 365 environment. I...
Bear in mind that Office 365 Group calendar is an Exchange Online calendar and a SPO Calendar is just a list...so this seems to be the main reason why you are not able to copy items between both calendars.