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Supports: PS
.docx is Office Open XML — a ZIP archive full of XML parts, standardised as ECMA-376 and mapped to ISO/IEC 29500, and the default Word format since Word 2007. .ps is PostScript, a page description language that is also a complete programming language: it describes how to paint a page, not what the page means. Bridging those two is a reconstruction job, and it only works dependably in two hops — PostScript → PDF → DOCX. This tutorial covers why, what a DOCX is actually made of, and how much of your original layout you should expect to keep.
ps2pdf yourfile.ps yourfile.pdf, which works the same on Windows, macOS and Linux, or print the document to PDF from the application that created it..pdf onto PDF to DOCX or click "+ Add Files". Several documents can be queued and converted with the same settings.DOCX. Choose DOC only if the file has to open in Word 2003 or an older system that rejects the newer extension — see PS to DOC.A DOCX is a semantic document. Open one up — rename it to .zip and look inside — and you find word/document.xml describing paragraphs, runs and styles by name, word/styles.xml defining what "Heading 1" means, and a relationships graph tying images and footnotes into place. Everything in it says what a piece of content is.
A PostScript file says nothing about what anything is. It is a sequence of instructions: select this font at this size, move to these coordinates, show this string, fill this path. Two lines that look like a heading and a caption are stored identically, distinguishable only by their font size and position. There is no object index either, so a reader cannot even jump to a specific page without executing everything before it.
PDF sits between the two and is the reason the workflow works at all. Adobe built it directly on the PostScript imaging model but added an object index, a page tree and a text model in which every string carries its font, encoding and position. A DOCX converter reads that model, clusters runs into lines, lines into blocks, and emits paragraphs. It is still inference — the semantics are being guessed from geometry — but it is inference with something to work from.
Practical expectations for the result:
| Part | What it holds |
|---|---|
[Content_Types].xml |
Declares the MIME type of every part in the package |
word/document.xml |
The body: paragraphs, runs, tables, section properties |
word/styles.xml |
Named style definitions such as Heading 1 and Normal |
word/media/ |
Embedded images, exactly as stored |
word/_rels/document.xml.rels |
The relationship graph linking parts together |
docProps/core.xml |
Author, title, revision and timestamp metadata |
| Packaging | Ordinary ZIP — rename to .zip and any archiver opens it |
| PostScript (.ps) | DOCX | ||
|---|---|---|---|
| Nature | A program to be executed | A rendered page with an object index | A semantic document |
| Text stored as | show operators at coordinates |
Runs with font, encoding, position | Paragraphs and runs with named styles |
| Random page access | No | Yes, via the page tree | Yes |
| Reflows when edited | No | No | Yes |
| Knows what a heading is | No | No | Yes |
| Standardised as | Adobe specification | ISO 32000 | ECMA-376 / ISO/IEC 29500 |
| Right for | Sending pages to a printer | Viewing, archiving, exact reproduction | Editing and restructuring |
Because a DOCX writer needs a text model and PostScript does not have one. PostScript stores strings as painting instructions at coordinates; there is no notion of a paragraph, a style or even a reliable reading order, and without a cross-reference table a reader cannot address pages individually. PDF adds precisely those missing layers on top of the same imaging model, which is why it is the format every dependable PostScript-to-Word workflow passes through. Doing the PDF step yourself just makes it visible.
A ZIP archive of XML documents. Rename any .docx to .zip and open it: word/document.xml carries the body content as paragraphs and runs, word/styles.xml defines the named styles those paragraphs reference, word/media/ holds the images byte-for-byte, and a relationships file wires it all together. The format is standardised as ECMA-376, currently in its fifth edition, and mapped to ISO/IEC 29500 — which is why so many non-Microsoft applications can read and write it.
Microsoft Word 2007 and later on Windows and macOS, Word on the web, Word for iOS and Android, Google Docs, LibreOffice Writer, Apple Pages, and effectively every other current word processor. That breadth is the main reason to prefer DOCX over the legacy .doc binary. The one place it is a problem is Word 2003 and earlier, which need Microsoft's separately installed compatibility pack — if that is your target, use PS to DOC instead.
Because the style information no longer exists anywhere in the chain. A PostScript file records that a line was set in 16 pt bold; it does not record that the author called it "Heading 1". The converter can only reproduce what it can see, so you get 16 pt bold direct formatting. Reapplying real named styles in Word takes a couple of minutes and immediately restores the navigation pane, automatic numbering and table-of-contents generation.
Rarely intact. Neither PostScript nor PDF has a table model — a table in either format is a set of drawn rules with text positioned between them, so cell boundaries have to be inferred from geometry. Simple, fully ruled grids sometimes reconstruct convincingly; borderless tables, merged cells and multi-column text usually do not. Expect to rebuild anything structurally important by hand, and check numeric columns carefully before trusting them.
Not from that file. Text converted to vector outlines before the PostScript was written contains no character data at all — only paths shaped like letters. This is deliberate in the print world, because outlines render identically regardless of what fonts the output device has. The only routes back are retyping the affected sections or running OCR on a rendered image of them, and OCR will not reproduce the original typeface or spacing.
If your goal is to read, share, archive or print the document, yes. The PDF reproduces the PostScript page exactly, opens on every platform, and does not involve any inference. Convert onward to DOCX only when you genuinely need to rewrite the content — and if you only want to quote a few paragraphs, selecting and copying them straight out of a PDF reader is faster and cleaner than a full conversion plus cleanup.
Your file is uploaded over an encrypted connection, converted on our servers, and both the upload and the finished document are deleted automatically after a few hours — no sign-up, no watermark, and your file is never shared or made public. If the source is sensitive, the first hop can be done entirely on your own hardware: Ghostscript's ps2pdf is free, cross-platform, and transmits nothing.