Double-click the .idml file or open it via inside Adobe InDesign.
If you have InDesign installed, you can use the or Export commands. Option 1: Save As (Recommended for newer versions) Open your .indd file in Adobe InDesign. Navigate to the top menu and select File > Save As . convert indesign to idml
Define your file destination and click Save to execute the background export processing. Method 2: The "Save As" Backwards-Compatibility Trick Double-click the