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Calendar Overlay by Virto


4.7 out of 5 stars
4.7 (49)

Overlay and share SharePoint, Exchange and Meeting rooms calendars into a single color-coded view.

Virto’s Calendar is designed to overlay Exchange Online calendars with other Office 365 calendars as a single SharePoint calendar. You can combine events from both Outlook shared and private calendars.

Virto Calendar is empowered with the handy color-coding feature, which allows you to designate a specific color for each of Office 365 shared calendars and event types. VirtoSoftware Calendars enables you to view SharePoint events in Day, Week, Month, Year and Task days/hours views.

Group multiple Office 365 public calendars and explore the Virto’s Calendar handy features:

  • SharePoint cross-site collection calendars and any custom list overlay
  • Exchange Online shared and personal calendars overlay
  • Exchange Meeting rooms overlay
  • iCal calendars overlay
  • Using Virto Calendar as App Part
  • Event color coding depending on the calendar source and event type
  • Available views: Day, Year, Month, Week, Work Week, Gantt Chart, and Overlaid
  • Timeline view (Task Days, Task Hours) to display task progress
  • Customizable New and Edit forms and tooltips
  • Creating, editing, and deleting events with a single mouse click
  • Color-coding categories for Exchange/Outlook sharing calendars
  • Filtering events based on Category field value
  • User license auto-assignment feature, extremely helpful for large companies
  • Read Only and View permissions inherited from source lists

Coming soon!

  • Personal filters

Virto Calendar is free for 5 users – try it now and learn how to share and publish Office 365 calendar easier!

For Virto SP Calendar pricing info, please visit or email us at

Virto SharePoint Calendar documentation:

Want more than shared calendars in Office 365? Check out 50+ great Virto’s SharePoint add-ins and web parts on