1. In Batch, open the batch(es) containing the letter code.
  2. Change the batch to a recurring batch.
  3. Click Data Entry.
  4. On the data entry grid, remove the letter to be deleted from all gifts.
  5. Select Tools, Edit Batch Setup.
  6. On the Batch Header tab, unmark Batch is recurring if the batch should not remain a recurring batch.
  7. Click Save and close the batch.
  8. Once the letter has been removed from the batches it is included in; it can be deleted.

Mark the letter as inactive