What is IDX? What Opens a IDX? File Format List from WhatIs.com

File Extension

IDX File Format

Index file (Pro/Engineer)

THM file format

IDX is an indexing file used by Pro/Engineer by PTC. This file format is used to store information and images produced by the 3D product design software.

MIME: application/x-latex

Learn more about .IDX files:

Search for answers to .IDX-related questions on IT Knowledge Exchange.

This was last updated in July 2010
Editorial Director Margaret Rouse

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