Open Group...
Opens a measurement, text or plot file in new measurement group window.
Open Group... does the same as Insert in Active..., except:
1.
Open Group… will open a new window using the settings in the current plot window while Insert in Active Group… will insert the data in the active plot.
Plot chart file type (*.tee) may only be selected from Open Group..., because it is a new plot and can not be inserted to a current plot window.