For example, if the Summary field is summing the Gf_Amount field, we can create the following Running Total:
  1. Go to View > Field Explorer (or Insert > Field Object in Crystal 8.5)
  2. Right-click on Running Total fields and select New
    • Field to summarize: Gf_Amount
    • Type of summary: Sum
    • Evaluate - on change of field: Gf_IDKEY
    • Reset: Never (for a Grand Total)
  3. Click OK
  4. Insert the Running Total into the report