Option 1

1. Go to Report > Select Expert
2. Click Show Formula in the bottom right corner
3. Make changes to the formula here and click OK



Option 2

Steps in Crystal XI:
  1. Go to Report > Selection Formulas > Record
  2. Make changes to the formula
  3. Click Save and Close


Steps in Crystal 8.5:
  1. Go to Report > Edit Selection Formula > Record
  2. Make changes to the formula
  3. Click Save and Close