The following selection of preprinted and blank checks are made for ADP PC/Payroll® for midsized businesses. They come in two formats: premium and standard. Both come with multiple security features to help prevent fraudulent duplication of your checks. We’ve also included these Double Window Envelopes which are fully compatible with our ADP PC/Payroll® checks. The tinted pattern printed inside the envelope provides complete security of the confidential information on the check.