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INX IDML
File conversion

Convert INX to IDML

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Is it possible to convert INX to IDML?
Yes - INX converts to IDML.

IDML is the modern equivalent of INX. If you have InDesign CS4, open the INX and immediately re-export via File > Save As > InDesign Markup (IDML). Third-party services or Markzware tools may convert INX to IDML without InDesign. IDML can then be opened in current InDesign or Affinity Publisher.

2 programs
Also to IDML: AFBOOK · QXP · QXD

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Tested on macOS, Windows & Linux
Last verified Oct 2026

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How to convert INX to IDML

Converting a .INX file to .IDML lets you open the content in software that prefers the .IDML format, though some details may change compared with the original. The programs listed below open .INX files and can save or export them to .IDML (or a closely related format). One of them is Adobe InDesign: Adobe InDesign is a tool created by the Adobe company, which is used for professional preparation of printing materials. Users can utilise it to easily perfect….

A full step-by-step guide for this conversion is on the way; the information above is drawn straight from our database.

Programs that convert INX

Adobe InDesign
Adobe InDesign for Mac

About these formats

.INX Adobe InDesign Interchange File

An INX file is a legacy XML export from Adobe InDesign, produced by InDesign CS2 through CS4 (2005-2010) as a backward-compatibility format. Current InDesign (CS5 and all Creative Cloud…

Open .INX details →
.IDML Adobe InDesign Markup Language

An IDML file is an Adobe InDesign page layout saved in InDesign Markup Language, an open XML-based interchange format introduced in 2008. Open it in Adobe InDesign (File → Open, then save…

Open .IDML details →