Calendar App for Office 365

Outlook, Exchange and Calendars form different Site Collections Not worked
NOTE: this is obsolete, calendar authorization app can be installed only by tenant administrator. To overlay Calendars from different Site Collection...
Fri, Sep 13, 2019 at 3:03 AM
Missing web-part
We have created an App with same ID that you can install in your tenant App Catalog.
Thu, Aug 23, 2018 at 7:28 AM
Need admin approval
After installing Calendar App you can use it for all SharePoint data sources from current Site Collection without additional prompt to install Calendar Auth...
Fri, Sep 13, 2019 at 3:00 AM
Calendar Authorization App Premission
Calendar App uses delegated permissions to access Exchange data and SharePoint data from different site collections.
Wed, Dec 18, 2019 at 10:41 PM