What Windsurf does with a Markdown file, and where a legacy Word document fits

Windsurf takes Markdown through an at-mention of the file, or a workspace folder the assistant has been allowed to read, and that is the door this page is about. The question worth asking is what a legacy Word document looks like by the time it arrives, because Windsurf never sees the document itself. It sees whatever the conversion handed over, and nothing else.

Windsurf reads the heading tree to decide which part of a long file to load. What comes out of a legacy Word document here is headings, bold, italics, nested lists and tables, in the order the document had them, so the structure Windsurf is looking for is actually present instead of merely implied. That is the entire trick, and there is nothing clever underneath it.

What survives from a legacy Word document into Windsurf

The conversion drops field codes, revision marks, print settings and the styles nobody ever applied before Windsurf ever sees them, because none of it carries meaning into Windsurf and all of it costs something. What it keeps is the part you would otherwise have retyped by hand.

• Heading levels and list nesting survive, which is what makes the document navigable afterwards, and Windsurf receives it as structure rather than as something to infer.
• Bold and italics survive, so emphasis that carried meaning still carries it, which is the part Windsurf would otherwise have to reconstruct on its own.
• Tables survive as tables rather than as runs of tab separated text, so nothing downstream of Windsurf has to guess at it.

What Windsurf never gets back from a legacy Word document

Every conversion costs something, and a page listing only the gains is a sales page. Here is what a legacy Word document gives up on the way to Windsurf, stated plainly enough that you can decide against it.

• Tracked changes and comments do not come through, and they are often the interesting part, and Windsurf will not get it back from anywhere.
• Page setup and fonts are gone, along with anything that depended on where a page ended, so nothing you build in Windsurf should depend on it.
• Objects embedded rather than written, such as a spreadsheet dropped into the page, are not unpacked, which is a real cost inside Windsurf and not a rounding error.

The Word to Markdown step behind this Windsurf page was measured

LibreOffice 24.2 does the conversion, and it was proven end to end on 13 August 2026: binary .doc, .rtf and .odt all came back with headings, bold, italics, lists and tables intact, and a 2 MB RTF of 4000 sections and 80 tables came back in 3.1 seconds. That is one run on one day and not an average, which is exactly why the date travels with the claim instead of being left out of it. The same output is what Windsurf would have received.

Above 25 MB the answer is a refusal, and a document LibreOffice cannot open is refused outright rather than returned empty. Windsurf has no way of telling you any of that from the inside, so it gets said here instead, on the page that sent you there.

Once the document is Markdown, what to do inside Windsurf

With the Markdown in hand, split a long conversion into several files named after their sections. That is a Windsurf habit rather than a conversion setting, and it is where most of the value of converting a legacy Word document in the first place actually lands.

The constraint worth knowing before you start: the assistant loads part of a file, and which part it loads is not something you choose. It bites the same way whether the Markdown came out of a legacy Word document or out of something else entirely, but it bites hardest on long documents, which is what a legacy Word document usually is.

What we will not pretend about Word in Windsurf

• Windsurf will not tell you which portion of the file it actually read, and converting a legacy Word document first does not change that in the slightest.
• one very long file gets loaded partially and answered from confidently, which is a Windsurf behaviour rather than anything the document conversion did.
• The conversion costs half a credit and the price is shown before the document is sent, whether the Markdown ends up in Windsurf or nowhere at all.