1. Go to View > Field Explorer (Crystal XI) or Insert > Field Object (Crystal 8.5) to open the Field Explorer window
  2. Right-click on Running Total Fields and select New
  3. Select the field to summarize (Example: Gf_Amount)
  4. Select the type of summary (Example: Sum)
  5. Select the evaluation conditions (Example: On change of field - Gf_IDKEY)
  6. Select "Never" for the reset section
  7. Click OK
  8. Insert the running total into the Report Footer section
Selecting "never" for the reset section allows the running total to calculate ALL values so that it can provide a grand total.