OnlineAITool
File Repair

Repair a Corrupted Word File

Recover a Word document that will not open — and get the text out even when the file itself cannot be saved.

Reports what it recovered, and what it did not
Nothing is uploaded
Choose the damaged Word file or drag it here DOCX · up to 100 MB · nothing leaves your device

How to use this tool

  1. Choose the damaged file. It is read inside this tab — nothing is sent anywhere.
  2. The whole file is scanned byte by byte for archive headers, ignoring the index that is usually the broken part.
  3. Each member found is decompressed on its own, so one damaged part cannot take the rest down with it.
  4. You get a report naming exactly what came back and what did not, a rebuilt file, and where we could read it, the text on its own.

Word reports a document as unreadable far more often than it is actually destroyed. A .docx is a ZIP archive, and the index at the end of that archive is both the part that breaks first and the only part Word consults before giving up. A DOCX, XLSX, PPTX and ZIP are all the same thing underneath: a ZIP archive holding a set of XML files. A ZIP records every member twice — once in a header immediately before the member’s own bytes, and once in an index written at the very end of the file. That index is written last, so an interrupted download or a truncated attachment destroys it first, and it is also the only part most applications read. The contents are still sitting there; the map to them is gone. Recovery means ignoring the map, scanning the raw bytes for every member header, and rebuilding the index from what is actually there.

Repair a Corrupted Word File — the specification

Handles.docx (Word 2007 and later)
Also works on.odt and other ZIP-based documents
Not supportedOld binary .doc — a different format entirely, not an archive
Text rescueYes — from word/document.xml, even when the file will not reopen
Maximum input100 MB
UploadsNone

Repair a Corrupted Word File: what can go wrong

These are the failures that actually come up, in roughly the order they happen:

  • The file is an old binary .doc rather than a .docx. That is not a ZIP archive and this cannot read it — try opening it in Word with "Recover Text from Any File".
  • The download stopped partway. The members that never arrived cannot be recovered, though the ones that did usually can.
  • The file is 0 bytes. There is nothing inside it; the copy failed at the very start.
  • The document opens but looks wrong. That is content damage rather than container damage, and rebuilding the archive will not change it.

How it works

A DOCX, XLSX, PPTX and ZIP are all the same thing underneath: a ZIP archive holding a set of XML files. A ZIP records every member twice — once in a header immediately before the member’s own bytes, and once in an index written at the very end of the file. That index is written last, so an interrupted download or a truncated attachment destroys it first, and it is also the only part most applications read. The contents are still sitting there; the map to them is gone. Recovery means ignoring the map, scanning the raw bytes for every member header, and rebuilding the index from what is actually there.

Who needs Repair a Corrupted Word File

Anyone whose Word document will not open after a failed download, a crash, a bad USB stick, or an email attachment that arrived truncated.

Repair a Corrupted Word File — frequently asked questions

Will I get my formatting back?

Usually, if the members holding it survived. The text lives in one member and the styling in others, so it is common to recover the words completely and lose some images or themes. The report names every member that did not come back, so you know what to check.

What if the file still will not open after repair?

Then the members Word needs are among the losses, and the report will say so by name. That is the point at which the text download matters: we read word/document.xml directly, so you can often recover every word even when the document itself is beyond saving.

Can you repair a .doc file?

No. The old binary .doc format is not a ZIP archive and nothing described here applies to it. In Word, try File — Open, then choose "Recover Text from Any File" in the file type dropdown. Google Docs will also sometimes open a .doc that Word refuses.

What cannot be recovered?

Content that is no longer in the file. If a download stopped at 60%, the last 40% is absent and nothing can bring it back. If a disk fault overwrote part of the document with zeroes, that part fails its checksum and is reported as lost rather than quietly returned half-broken. Any tool claiming to fix any corrupted file is describing something that cannot be done.

Is my file uploaded anywhere?

No. The file is read inside your browser tab and the repair runs there. Nothing is transmitted, which is the main reason to use this rather than a service that asks you to upload a damaged work document or dissertation to a server you know nothing about.

Is this tool really free?

Yes. No account, no trial period, no watermark on the output and no cap on how many times you use it. The site is funded by advertising.

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Your file never leaves your device. Open your browser's Network tab while you use this page and you will see no upload — how that works.

Disclaimer. Published requirements change without notice. Confirm against the official source before you submit. Full disclaimer.