CrustifyDOC Word 97–2003 document
The old Word format, from before 2007. Word still opens .doc files, but in compatibility mode, and newer features, Google Docs and many other tools work better with DOCX.
Documents · Windows 10 and 11
Convert DOC to Word on Windows, offline.
Old .doc files from Word 97–2003 open in compatibility mode, and newer features and many other apps work better with .docx. Upgrade a whole folder at once.
- Nothing is uploaded
- Many files at once
- No sign-up
- Uses your Microsoft Word
How to convert DOC to Word
- Select your DOC filesIn File Explorer or on the desktop. One file, or a hundred.
- Start dragging, then tap ShiftThe Convert wheel opens right under your cursor, with every format this file can become.
- Drop on DOCXCrustify converts on your PC and saves the result next to the original. That's it.
First time? Download Crustify and install it. It waits in the tray, using about 3 MB of memory, until you drag a file.
Convert DOC
Convert to DOCX
What you get
- Microsoft Word itself does the conversion, so the formatting is kept.
- Needs Microsoft Word installed on your PC.
- Select a whole folder of old documents and convert them in one go.
- Each Word is saved next to its original, with the same name.
- Your original file is never changed. If the new name is taken, Crustify adds (1), (2) and so on.
- Converts many files at once, each into its own new file.
About the formats
Word Word document (DOCX)
Microsoft Word's format since 2007, and the standard for documents you edit and send back and forth. It opens in Word, Google Docs and LibreOffice, but can look different on each, so finished documents usually go out as PDF.
Questions
DOC to Word, answered.
Why convert DOC to DOCX at all?
DOCX files are smaller, more reliable, and open properly in Google Docs, newer Word features and most other tools.
Is the original .doc kept?
Yes. The DOCX is saved next to it; the original isn't changed.
Is Crustify free?
You can use everything free for 7 days, with no key or card. After that it's ₹49 once for a lifetime licence on up to 2 PCs. No subscription.
Convert DOC to Word without uploading a thing.
Crustify converts images, video, audio, PDFs and documents on your PC, offline.