SharePoint cross-site collection calendars overlaying functionality is available now among the other great features of Virto Office 365 Calendar Add-in!
With the latest update of Virto Office 365 Calendar Add-in, you can have a single calendar for all your calendars from multiple sites. The SharePoint calendars overlaying is available for all your sites in the entire SharePoint Online environment.
Office 365 Calendar Add-in is a powerful enterprise-class scheduling app for SharePoint Online (Office 365), that overlays all your events from cross-site collection calendars and from any SharePoint or Exchange Online (Outlook) calendars, including Exchange Online shared calendars. Office 365 Calendar Add-in is an efficient and feature-rich calendar with color-coded events, which offers different views for easy navigation and reference, e.g. Day, Week, Month, Year, Multi-source and Gantt Chart views.
You can download the fully functional 30-days trial of Virto Office 365 Calendar Add-in and try all its features right now!