IDML is a file format used by Adobe InDesign, but at times users can struggle to find synonyms for this term. However, IDML is often referred to as a markup language file, which comprises of structured data that can be read by machines. Sometimes, it is also called an interchange file, as it can be read by different versions of Adobe InDesign and can be transferred between machines and teams with ease. Similarly, IDML is also known as an editable PDF file as it allows for editing of the InDesign document. Other synonyms for IDML may include InDesign Markup Language, InDesign Interchange Markup Language, and InDesign Markup Document.