PdfMachine merge is a powerful email merge software that generates personalized PDFs from data in Excel or CSV files and sends them as email attachments. It supports functions such as diverse templates, multiple attachments, personalized security settings, mode selection, and attachment uploading. Suitable for bulk sending personalized emails and generating PDF documents with specific security settings, such as monthly reports, billing notifications, etc. Users can import/export configurations and keep merge history for easy management and searching of sent emails.