What is mail merge (and how does it work)?

Mail merge, once a ground-breaking tool for personalizing mass communications by combining data from spreadsheets with template documents, is increasingly seen as inadequate for modern email marketing needs. While it allows for basic personalization like inserting a recipient's name, it falls short in delivering the dynamic, responsive, and deeply personalized experiences that today's consumers expect. Modern email personalization tools have surpassed mail merge by offering capabilities such as dynamic content blocks, behavioral triggers, and real-time personalization, enabling marketers to create engaging, one-to-one communications at scale. These tools also provide advanced segmentation, predictive personalization, and cross-channel consistency, allowing for more sophisticated and effective customer interactions. By moving beyond traditional mail merge, businesses can leverage platforms like Twilio SendGrid to implement advanced personalization strategies and meet evolving consumer expectations in email marketing.