How to remove app from Office 365/SharePoint Online
1) Open Site Contents and turn on the classic view on your site: (left-bottom corner)   2) Remove the Calendar app:  
Mon, Jul 31, 2017 at 2:10 AM
Virto Apps do not appear in Apps you can add section
To fix this issue you should be SharePoint Tenant administrator. Open SharePoint Admin Center, go to Apps (Classic features) Go to Purchase Apps and fin...
Wed, Jul 3, 2019 at 7:48 AM