The query editor always opens with all query groups expanded. For larger numbers of queries, it would be convenient to be able to collapse all query groups at once. According to this idea: https://id...
Michiel,
What version of Power BI Desktop do you use? In the latest version, when I use Collapse all option in Fields panel , it collapses all queries. In Query Editor of Power BI Desktop, there is no Collapse all option by right-clicking a query.
Regards,
Lydia