› articles › mail-merge-labelsHow to Create Mail Merge Labels in Word 2003-2019 & Office 365 Oct 09, 2020 · Mail merge is a quick and efficient way to create professional-looking labels and individualized content in no time. Use mail merge for business and personal projects, from return address labels to product barcoding. For more information on how to mail merge labels, call our customer service team at 1-888-575-2235.