How do I create mailing labels in Excel 2007? - Foley for Senate Furthermore, how do I make mailing labels from an Excel spreadsheet? Step 2: Set Up the Main Document. Start Microsoft Office Word 2003 or an earlier version of Word, point to Letters and Mailings on the Tools menu, and then click Mail Merge Wizard. Under Select document type, click Labels. Click Next: Starting document. Do one of the following: