stillwatermining.zendesk.com › hc › en-usPrint labels or envelopes using mail merge with an Excel ... On the Mailings tab, click Select Recipients > Use an Existing List. Browse to the file you want to use and click Open. In the Select Table dialog box, select the sheet you want to use, and click OK. Step 3: Add and format merge fields On the Mailings tab, click Insert Merge Field and select the field you want to show on your labels.