Adobe InDesign documents may be exported and saved in the special IDML format (InDesign Markup format). This is useful for exchange purposes, if you want to share your source documents with other users or import them to another supported program.
Convert Adobe InDesign for Mac document to InDesign Markup Language document.
We have found 2 software records in our database eligible for .idd to .idml file format conversion.
Microsoft Windows software - convert idd to idml on Windows
Professional desktop document publishing software from Adobe
Convert from idd file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned idd to idml. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software - convert idd to idml on OS X
Mac version od Adobe's popular document designing and publishing software