Because TreeSize uses MSAL for authentication, please either use the redirect URI provided for this purpose, or define your own according to the scheme 'My URI'://auth, e.g.

Please select 'Public client/nativ' here. Redirect URI: Sometimes reffered to as reply URL.Name: An application name of your choice to identify the registration in the Azure AD.They may change with the ongoing development from Microsoft.Ģ.Select on All services in the left-hand navigation, and choose App registrations (or use the search field in the top bar)ģ.Select New application registration and create a registration with values like: Please note that the following steps have to be done out of the scope of TreeSize. To enable TreeSize to get authentication tokens from your Azure AD tenant, you have to register it in your Azure portal first and grant it permission to access Office 365 SharePoint Online: Register TreeSize with your tenant If a SharePoint Online site is configured to require a multi-factor authentication, TreeSize will perform a browser based authentication (as known from other Azure AD apps).

Treesize app