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Calendar Overlay is a feature in SharePoint Online that allows you to combine and display multiple calendars as a single unified view. It provides a consolidated view of events and schedules from different calendars, making it easier to manage and track activities.

With Calendar Overlay, you can overlay multiple calendars onto a single calendar view, showing events from each calendar in a color-coded format. This allows you to quickly identify and differentiate events from different calendars.

The overlayed calendar view provides a consolidated and comprehensive picture of various schedules and activities, which can be useful for team collaboration, resource planning, and scheduling coordination.

By utilizing Calendar Overlay, you can save time and effort by avoiding the need to switch between multiple calendar views. It provides a centralized view that improves visibility and helps streamline the management of events and schedules across different calendars.

SharePoint Online enables users to configure and customize Calendar Overlay to suit their specific needs and preferences. This feature enhances the collaborative capabilities of SharePoint, particularly in scenarios where teams or individuals need to work together, share information, and coordinate their schedules efficiently.

To configure a calendar overlay, do the following:

· Navigate to the calendar list on the top of which you want to overlay other calendar events.

·On the calendar view page, click on the Calendar ribbon tab >> Click on the “Calendars Overlay” button.

· This opens the Calendar Overlay Settings Page. Click the “New Calendar” link to add a calendar to the list of additional calendars.

· Enter the Name of the calendar and select the type of calendar as SharePoint.

· Set the color to be used for items from the selected calendar.

· In the URL field, By default, your current Web URL will appear, click the Resolve button to populate the List drop-down with available Calendars from this site and select the desired calendar. Specify whether the overlay is always to be included on the calendar. If it’s not selected, users viewing the list can remove the overlay.

Once all information is entered, click the OK button. You will now see your calendar listed under Additional calendars, Click Ok

Now you'll see all the data from both calendars in a single calendar view. Based on your calendar overlay additions and visibility settings,

Here is an example of Calendar in SharePoint list

The name of the calendar is Master Calendar

In conclusion, calendar overlay is a powerful feature in SharePoint Online that allows users to combine multiple calendars into a single view. With calendar overlay, organizations can ensure that everyone has a complete and accurate view of the organization’s events and schedule. By following the step-by-step instructions provided in this article, you can create a calendar overlay in SharePoint Online with ease. Additionally, the tips provided in this article will help you get the most out of this feature and ensure that your calendar overlay is effective and efficient. Whether you are a small team or a large organization, calendar overlay in SharePoint Online can help you keep track of important events and deadlines, making it easier to stay organized and on top of your schedule.

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