1. Download the SharePoint app file.
  2. Upload the file in the SharePoint AppCatalog (video explanation)
    1. The SharePoint AppCatalog is often placed at this location :
  3. Create a Classic SharePoint Site Collection from the SharePoint Admin Center (screenshot). 
    Creation of a SharePoint Site can take up to 5 minutes.  

Install the Entree App

  1. Go to Site Contents in the newly created site. 
  2. Select ‘New’ and choose ‘App’ (screenshot 2)
  3. Search and choose the ‘meetroo entree free’ app
  4. A pop-up will appear to ask if you trust our application. Press 'trust it' if you trust us to be trustworthy. For your information: all information used and stored by the entree app stays within your Office 365 tenant.
    We will not see your data, never. 
  5. Wait approximately 2 minutes for the application to install (sometimes this will be faster, sometimes slower