Mailing Labels in Word from an Excel Spreadsheet - W3codemasters Create a new Word document. Afterward, pick 'Labels' from the menu.; The 'Step-by-Step Mail Merge Wizard' tool will walk you through the procedure in detail.; The 'Label Options' dialogue box will pop up. Here, you have the option of selecting your label provider and item code. Then, in the Label Options box, select the 'Details' option in the lower-left corner.