ooxml-validator

name	ooxml-validator
description	Validate the XML inside a .docx or .xlsx against the OOXML schemas, and render an HTML report of the failures. Use when a generated Office document opens with a repair prompt or fails to open at all.

OOXML Validator

Unpack the document, then validate every part against the OOXML schemas:

unzip -q report.docx -d unpacked/
python scripts/validate.py unpacked/ --report validation.html

Reading the output

Each failure names the part, the line, and the schema rule it violated. Fix the part in unpacked/, re-zip, and re-run until the run is clean.

Pass --strict to fail on the warnings the Office applications tolerate, such as an unknown attribute in a namespace the document declares but never uses.

Legacy flat-file exports are out of scope: convert them to .docx first.