Documents conversion
Convert DOC to AZW3
Updated Jul 2026
DOC is the old Microsoft Word format, and AZW3 is the Kindle Format 8 ebook format that Kindle apps and devices read. To convert DOC to AZW3, open the file in a converter and export it as AZW3, which reflows the text so it resizes to fit any screen. Doing this on your own computer means the document never has to be uploaded anywhere.
- Extension
- .doc
- Type
- Documents
- Typically
- Old Word documents
- Metadata
- Carries EXIF
- Extension
- .azw3
- Type
- Ebooks
- Typically
- Kindle
Convert DOC to AZW3 on your own computer. Nothing uploads.
How to convert DOC to AZW3
- Open Morphjet and drag in the DOC file you want to convert. You can add a single file or a whole folder of documents at once.
- Choose AZW3 as the output format.
- Convert. The AZW3 file is written next to your original, and nothing leaves your machine.
DOC vs AZW3: what actually changes
| DOC | AZW3 | |
|---|---|---|
| Opens in | Microsoft Word and compatible word processors | Kindle apps and Kindle e-readers |
| Page layout | Fixed pages with set margins, headers, and footers | Reflowable text that resizes to the screen and font you pick |
| File size | Larger, carries formatting and layout data | Smaller, built for e-reader storage |
| Editing | Fully editable in a word processor | Read-only, meant for reading rather than editing |
| Metadata | Keeps author, company, and edit history | Carries over basic details like title and author |
When to convert, and when not to
Convert DOC to AZW3 when you want to read a manuscript, report, or long document on a Kindle app or device instead of scrolling through it on a laptop.
Keep the DOC file if you're still editing it, sharing it for review with tracked changes, or need the exact page layout preserved for printing.
Why not just use an online converter?
Old DOC files often carry embedded metadata, the author's name, the company it was created under, and sometimes a history of past edits and comments. An online converter would receive all of that along with the text. Converting on your own computer means the document, and whatever is buried in it, stays on your machine the whole time.
Questions
Does converting DOC to AZW3 change the formatting?
Yes, somewhat. AZW3 reflows text so it fits any screen size, which means fixed layouts like multi-column pages, headers, footers, and page numbers don't carry over the way they look in Word. Plain text, headings, and images generally convert cleanly.
Can I still edit the document after converting it to AZW3?
No. AZW3 is a reading format for Kindle apps and devices, not an editing format. Keep the original DOC file if you'll need to make changes later.
Will the AZW3 file keep the author and edit history from the DOC file?
Basic details like the title and author usually carry over, but deeper metadata such as edit history and comments generally does not. If that history matters, keep a copy of the original DOC.
Can I convert DOC to AZW3 without uploading the file anywhere?
Yes. A desktop app like Morphjet converts the file on your own computer, so the document never has to travel over the internet to a server you don't control.
Morphjet converts DOC, AZW3, and 1,800+ other formats, all on your machine. Launching this July.