Opening an AZW File

The AZW file type is primarily associated with Kindle.

AZW	File extension: AZW
	File type:	e-book

What is an AZW file

AZW files mostly belong to Kindle by Amazon. An AZW file is an e-book saved in the Kindle File Format that Amazon uses to distribute DRM-protected books. AZW is the original filename extension of e-books used by Kindle devices and applications before the introduction of AZW3 filename extension in version 8. It serves as a container for a MOBI document with DRM restrictions that only allows a Kindle application or tablet to read an e-book.

How to open an AZW file

You need a suitable software like Kindle from Amazon to open an AZW file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your AZW file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a AZW file directly in the browser:. Just drag the file onto this browser window and drop it.

Online AZW File Viewer

Choose your .azw file to view

or drag and drop it here

Online File Viewer

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Easily convert AZW files to PDF, DOCX, EPUB, FB2, MOBI, TXT, ...

1. Just click the "Choose your .azw file to view" button on this page.
2. Your AZW file will then be displayed in the browser.
3. Now click on "Save as..." at the top of the page.
4. Then choose the desired ebook format (e.g. PDF, EPUB, DOCX, FB2, MOBI, TXT, RTF, ...).
5. Your file will be converted and downloaded.

AZW file extension format:

A file format defines how the data in the file is structured. Each file format has a unique extension and almost always a unique signature. For example, Microsoft Word documents have the extension .docx and the signature (usually the first 3 characters in this file) PK. File extension, signature and file format must match; otherwise errors will occur when the file is opened. So you need a detailed analysis of a file to find out the format and the associated program. Our evaluation of the AZW files looks like this:

The AZW file extension is not common and is used by a few programs, each with its own file format. The file formats most commonly found in AZW files are:

• 45% of all AZW files are associated with Amazon Kindle eBook. They consist of unreadable binary data. AZW files can be up to 51 MB in size, but are often around 230 KB - 4 MB. The file type is relatively new. Several words can almost always be found in the files, e.g. BOOKMOBI. Files like these have the following tags: book, ebok, guide, asin, type, international, university, cambridge, press and your.
• 30% of all AZW files start with the magic bytes êDRMIONîà, which are always the first bytes of this file format. The content consists of illegible binary data, which can only be read and interpreted by the associated programs. The files are on average 350 KB in size and range from 110 KB to 1 MB. Certain words are almost always found in the files, such as AES/CBC/PKCS5Padding, DRMION, ProtectedData, amzn1, drm-key and drm-voucher.

All other AZW files (25%) have no consistent format, frequently e.g. RAR. The category is secret. If you want to find out which format your AZW file belongs to, just click on the button "Choose your .azw file to view".