On the ribbon, click Calendar and next select Connect to Outlook. The first step in adding Sharepoint calendar in Outlook is to open the calendar you would like to import.Connecting a SharePoint Calendar to Outlook In this post, I will explain how you can sync SharePoint Calendar with Outlook. It also prevents users from excessive navigation between calendars located at different sites. That means that you will be able to interact with SharePoint calendar right within Outlook, rather than having to access it from SharePoint website all the time. Once authorized connection is created, SharePoint calendar can then be updated two ways from Outlook to SharePoint and vice versa. To make this integration, we need to create and authorize a connection between Microsoft SharePoint and Outlook. One of the super handy features of Microsoft SharePoint is the ability to quickly and easily create a calendar that can be integrated with your Microsoft Outlook. The Outlook calendar will automatically sync with SharePoint, so you can make changes here and have them reflected there.You can merge events from both calendars into a single view.Apart from the usability purposes, you will gain tangible benefits if you will add SharePoint Calendar to Outlook, like:

Why do users want to sync SharePoint calendar with Outlook?В The ability of viewing a SharePoint calendar in Outlook prevents users from excessive navigation between calendars located at different sites.

Import calendar to outlook 2016