XPS vs DOCX: What’s the Difference?

XPS and DOCX look superficially similar — both are ZIP archives built on the Open Packaging Conventions (OPC) — but they exist for entirely different reasons. XPS locks a document's appearance in place, like a printed page. DOCX is designed to be opened, changed, and re-saved in a word processor. Understanding the difference matters when you receive an XPS file and need to edit it, or when you want to archive a Word document in a fixed form.

The shared foundation: ZIP and OPC

Both .xps and .docx are ZIP archives that follow Microsoft's Open Packaging Conventions. You can rename either to .zip and extract the contents to see a folder structure containing XML files, relationships, and embedded resources such as fonts and images. That structural similarity ends at the container level — the XML vocabularies and intended uses are completely different.

XPS: output, not authoring

XPS encodes pages in XAML markup. Each page is a precise description of where every glyph, image, and shape sits on the page — measured in absolute units. The format intentionally has no concept of paragraphs, styles, tracked changes, or editable fields. It was designed as a print-spool replacement: the thing you produce at the end of a workflow, not the thing you author in.

You create an XPS by printing to the Microsoft XPS Document Writer virtual printer, or by using Office's Save As → XPS export. Either way, the result is a snapshot. You cannot take that snapshot back into Word and change a sentence without going back to the source document.

DOCX: authoring, not output

A .docx file is built around WordprocessingML — an XML vocabulary for paragraphs, runs, styles, tables, tracked changes, comments, and fields. The layout of text on the page is calculated by the word processor at open time, based on the available font metrics and page dimensions. Change the font or the margin and the line breaks shift.

DOCX is the right format to keep a document in when it will be edited, reviewed, or printed in different environments. It is not a reliable archival format for preserving exact appearance.

When you might convert between them

XPS → DOCX: There is no clean, direct route. XPS contains no paragraph structure, no style information, and no tracked changes — only positioned glyphs. Any tool that claims to produce an editable DOCX from an XPS is essentially performing OCR-style reconstruction, and the result will require manual cleanup. The honest two-step approach is to convert XPS → PDF first (using XPS2PDF.co.uk), then use a PDF-to-Word converter on the resulting PDF. See the convert XPS to Word guide for the full workflow.

DOCX → XPS: In Word, use File → Save As → XPS Document (or print to the Microsoft XPS Document Writer). This creates a fixed snapshot of the document. It is useful for sharing a document whose layout must not change, though PDF has wider support for the same purpose.

Which format should you keep?

For long-term storage or sharing, PDF is generally preferable to XPS — it is an ISO standard (ISO 32000), supported universally, and opens without any optional Windows component. See the XPS vs PDF comparison for more detail.

If you need the document to remain editable, keep the DOCX source. If you are archiving a specific printed version, convert to PDF rather than XPS.

Frequently asked questions

Can Word open an XPS file?

No. Microsoft Word can write XPS files via Save As, but it cannot open them. Attempting to open an XPS in Word produces a misleading 'file is corrupted' error. The XPS Viewer (on Windows) or conversion to PDF is the correct route.

Can I convert XPS to DOCX directly?

There is no clean direct conversion because XPS has no paragraph or style structure. The practical approach is to convert XPS to PDF first, then use a PDF-to-Word tool. Expect some layout cleanup in the resulting DOCX.

Are XPS and DOCX both ZIP files?

Yes, both use ZIP as their container and follow Microsoft's Open Packaging Conventions. Renaming either to .zip and extracting it reveals XML files and embedded resources. The similarity stops there — the XML inside is completely different.

Why did Microsoft create XPS when it already had DOCX?

XPS was designed for a different purpose: a fixed-layout print-spool format, not an authoring format. DOCX is editable and reflows; XPS is a precise snapshot. Both came from Microsoft but serve opposite ends of the document lifecycle.

Is PDF better than XPS for sharing documents?

For most purposes, yes. PDF is an ISO standard with universal reader support, while XPS requires an optional Windows component and has no native support on macOS, iOS, or Android. See the XPS vs PDF page for a full comparison.

Last updated: June 2026