1. Go to Analysis > Information Library.  Click Add an ad-hoc query.
  2. From the list that appears, choose a Deposits Query underneath the "Bank Account Deposit" category
  3. From the "Select Deposits fields" (center) frame, drag the Post date field to the "Results fields to display"(lower right)
  4. In the "Browse for fields"(left) frame click on Payment to reveal the payment fields
  5. From the "Select Payment fields" (center) frame, drag the Payment date field to the "Results fields to display"(lower right)
  6. Drag the Payment\Payment date field from the "Results fields to display"(lower right) to the "Include records where" frame (upper left)
  7. When the "Apply Criteria" form appears select the radio button for "Output field."  Change the criteria to Not Equal To.
  8. Select Post date from the blank drop-down at the bottom
  9. Click OK
  10. Select the Preview results tab and/or save this query for future use
If payments appear on this list (and they are not conversion records) it's recommended to unlink them and associate them with a deposit which has the same post date.