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IEPD XML
File conversion

Convert IEPD to XML

Verified by Adam B.· reviewed by FE Editorial ·updated Jul 31, 2026
QUICK ANSWER
Is it possible to convert IEPD to XML?
Yes - IEPD converts to XML.

An IEPD (NIEM Information Exchange Package Documentation) is really a ZIP container. Rename it to .zip or open it directly with 7-Zip, and pull the .xml files out of the folders inside. Nothing is converted - you are just extracting files that were already XML.

Also to XML: XHTML · TSI · SMIL

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Tested on macOS, Windows & Linux
Last verified Sep 2026

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Why convert IEPD to XML?

People rarely need the whole IEPD package; they want the actual .xml artifacts inside it - the sample instance documents and the required iepd-catalog.xml metadata catalog. Since an IEPD is just a compressed archive of XML and XSD files plus documentation, extracting it exposes those XML files directly for validation, editing, or reuse.

How to convert IEPD to XML

7-Zip FREE

Right-click the .iepd file and choose 7-Zip > Extract Here. Browse the extracted folders for .xml files such as the sample instances and iepd-catalog.xml.

unzip (command line) FREE

Run unzip file.iepd -d iepd_out, then find the XML files under the extracted directory tree (they are not renamed, they keep their .xml extension).

Archive Utility EASIEST

Rename the file to file.zip and double-click it so Archive Utility unpacks it, then open the resulting folder to reach the .xml documents.

About these formats

.IEPD Information Exchange Package Documentation

An .iepd file is an Information Exchange Package Documentation package, a ZIP archive that bundles the XML schemas, sample messages, catalog and documentation defining a NIEM or NATO…

Open .IEPD details →
.XML Extensible Markup Language Document

An XML file is a plain-text document that stores structured data in nested, custom tags. Because it is just text, any text editor opens it - drag it into a browser tab for a quick,…

Open .XML details →

Quality & what to watch

  • This is extraction, not conversion - the XML files already exist inside the IEPD unchanged.
  • An IEPD holds many XML files (catalogs, sample instances) across several folders, so you may need to hunt for the specific instance you want.
  • Some tools refuse the unfamiliar .iepd extension; renaming to .zip first avoids that.

Frequently asked questions

Is an .iepd file really just a ZIP?
Yes. The NIEM Model Package Description spec defines an IEPD as a ZIP archive, so any ZIP tool can open it.
Which XML file is the important one?
The iepd-catalog.xml in the root holds the package metadata; the sample instance XML files show example messages.
Do I lose anything by extracting?
No. Extraction copies the files out byte-for-byte; the originals inside the archive are unchanged.
Can I open it without renaming?
7-Zip and unzip can usually open .iepd directly; if a tool balks, rename it to .zip first.