Exhibit No. 23 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-06366) of Moore Corporation Limited of our report dated June 29, 2000 relating to the financial statements of the Moore North America, Inc. Savings Plan, which appears in this Form 11-K. PricewaterhouseCoopers LLP Chicago, Illinois June 29, 2000