How to Mail Merge Labels from Excel to Word (With Easy Steps) - ExcelDemy Download Practice Workbook. Step by Step Procedures to Mail Merge Labels from Excel to Word. STEP 1: Prepare Excel File for Mail Merge. STEP 2: Insert Mail Merge Document in Word. STEP 3: Link Word and Excel for Merging Mail Labels. STEP 4: Select Recipients. STEP 5: Edit Address Labels.