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.IDML File Extension

File TypeAdobe InDesign Markup Language File

DeveloperAdobe Systems
Popularity
3.5 (14 Votes)
CategoryPage Layout Files
FormatZip

Zip

This file is saved in a zipped format. You can view the contents by unzipping it with a file decompression program.

What is an IDML file?

Document created by InDesign, a program used to create professional page layouts; contains several XML files, which represent a complete InDesign document; stored as compressed package using Zip compression.

More Information

IDML packages contain a hierarchy of XML files and directories. The root directory of the archive contains a designmap.xml file, which specifies high-level document properties, as well as the document layout. The archive also contains the following folders, which are used to store parts of the document:

  • Resources: Contains document elements, such as colors, fonts, and paragraph styles; includes Graphics.xml, Fonts.xml, Styles.xml, and Preferences.xml.
  • Spreads: Stores document spreads.
  • Stories: Contains all document stories.
  • XML: Stores document elements and settings; includes BackingStory.xml, Tags.xml, and Mapping.xml.
  • MasterSpreads: Contains MaterSpreads.xml, which specifies all master spreads displayed on document pages, such as rectangles, ellipses, groups, polygons, buttons, and text frames.
  • META-INF: Stores the standard container.xml file for UCF packages.
IDML files were designed to replace .INX files, which are more difficult to create and edit. IDML files provide an interchangeable format for Adobe InDesign documents, as well as a way for third-party tools to modify and assemble InDesign documents.

NOTE: The InDesign Markup Language was introduced with InDesign CS4. InDesign still supports backward compatibility with INX files.

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Programs that open IDML files
Windows
Adobe InDesign CC 2017
Adobe IDMLTools
Mac
Adobe InDesign CC 2017
Adobe IDMLTools
Updated 5/2/2014

About the file extension idml

Our goal is to help you understand what a file with a *.idml suffix is and how to open it.

The Adobe InDesign Markup Language file type, file format description, and Mac and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and do not publish any information we have not been able to verify.

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