You can open an existing dashboard that you created with the classic dashboard editor and transfer it to the new editor.
Procedure
Open an existing dashboard in the classic editor. The dashboard opens in view mode.
Click Edit dashboard in the program bar to open the dashboard in edit mode.
Click Switch editor -> Switch editor in the program bar.
The selected dashboard opens in the new dashboard editor.
Click the icon ->
Save as.
Enter a new name and click Save.
The dashboard is saved as a copy with the new name.
When you save the dashboard for the first time, a copy of the dashboard is created. You can now edit the dashboard in the new dashboard editor. The original dashboard remains unchanged.
Tip
You can replace the original dashboard with the content of the current (new) dashboard.
Click Save ->
Overwrite -> Select a dashboard -> Click Overwrite. The identifier (GUID), permissions, and bookmarks of the selected dashboard are preserved.