The Delete Data by Date... option is accessed from the Tools Menu
Selecting this option will Delete Samples with in the Date Time Range that you have selected from the Data Selector Dialog Box that appears when you select this option.
See Also
TOOLS Menu
Repair/Compact Database
Delete Data Column... [Tools Menu]
Evapotranspiration... [Tools Menu]
Disease Prediction... [Tools Menu]
Forecasts... [Tools Menu]
Comparisons
Options... [Tools Menu]