Problem with connecting to SharePoint Online in Office 365 with PowerShell, SharePoint Designer and other 3. party tools

You are not any longer able to log into SharePoint using PowerShell, SharePoint Designer and other 3. party tools (ex. ShareGate, SharePoint Search Query Tool etc). The error message states something that you are "Unauthorized" and "…the web site does not support SharePoint Online credentials" even though you username and password is fine. Example: Error … Continue reading Problem with connecting to SharePoint Online in Office 365 with PowerShell, SharePoint Designer and other 3. party tools