File Extension Database

Open APNX File

APNX files are specific to Amazon Kindle eBooks and are designed to enable accurate page numbering that corresponds with "real" page numbers in a print book. This article will explore the possible formats and ways to open and use files with the APNX file extension.

Kindle eBook Page Numbers

One of the main uses of APNX files is to provide real-world page number correspondence for Kindle eBooks. This is hugely useful for referencing and academic purposes when quote locations might need to be cited. APNX files work in conjunction with AZW or MOBI files, which are the primary eBook format files. By using the APNX file, Kindle can show you the "real" page number that corresponds to the page number in the physical book. You can more information on how this works by visiting the official Amazon Kindle webpage (https://www.amazon.com/kindle-dbs/fd/kcp).

Creating and Opening APNX Files

Normally, APNX files are automatically created and associated with the corresponding eBook file when you purchase an eBook from the Amazon Store that comes with "real" page numbers. However, if you want to create an APNX file for an eBook that doesn't have one, you'll need to use a tool like KindleGen. KindleGen is a free tool from Amazon that lets you create eBooks that you can sell on Kindle stores or give away for free. You can download KindleGen from Amazon's official website (https://www.amazon.com/gp/feature.html?docId=1000765211).

Atypical Uses of APNX Files

While the primary purpose of APNX files is to support page numbering for Kindle eBooks, they may also be used for development purposes to facilitate eBook creation. Developers may manually create APNX files to test how page numbers will appear in an eBook.

APNX File Important Information

It's important to remember that APNX files do not contain the actual content of a book. They are just an index of the "real" page numbers. Deleting an APNX file does not delete your eBook. Instead, it just gets rid of the "real" page numbers. If you unknowingly delete an APNX file, you can usually re-download it from Amazon.

Given that APNX files are a proprietary file format developed by Amazon, they are really only useful for Kindle eBook readers. Other eBook readers do not use the APNX format. It's best to keep your APNX files with your AZW or MOBI files so they can work together to provide complete and enjoyable reading experience.

How Can I Open APNX File on Windows

We researched and learned that the best way to open APNX file is to find a APNX file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a APNX file is not opened in an application and you instead get a "Windows can't open a file" error message you should try looking for an application which can open the file in question.
If you know the application which can open APNX file then run it and see if there is a File->Open main menu option in the application.
If you don't know the application which function as APNX file opener then try to search online for "APNX viewer", "application to open APNX file" or "open APNX file" queries in the search engine you like.
Install the application you found and check if it can open APNX file

How Can I Open APNX File on Mac OS

We recommend to find a APNX file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a APNX file is not opened in a Mac OS application and you instead get a "There is no application set to open the file" error message you can click on "Search App Store" in the error dialog and Mac OS will show you applications compatible with APNX file.
If you know the Mac OS application which can work as APNX file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open APNX file in it.
If you don't know the application which can open APNX file then try to search for "APNX viewer", "application to open APNX file" or "read APNX file" queries in the online search engine you like.
Install the application you found and check if it can read APNX file

How Can I Open APNX File on Android

If you downloaded a APNX file on Android device you can open it by following steps below:

In the Android apps list on your Android device find "My Files" or "File manager" app and tap to start it.
Tap on "Downloads" folder inside the app.
You should see your downloaded APNX file in that folder.
Tap on the file. If Android device supports opening the file you downloaded it will open in the corresponding app.
If file does not open you can look for the corresponding app that can open the file by searching Android App Store for the "APNX".
If you cannot open the file with the apps from Android App Store it is possible that the file could only be opened on desktop platforms such as Windows or Mac OS. Try searching for "APNX viewer", "APNX file reader" online and see if any desktop applications can open it.
It is also possible that the file you downloaded is outdated and is no longer supported.

How to Open APNX File on iPhone or iPad

To open APNX File on iOS device follow steps below:

We advies to open Files app on your iPhone or iPad device. You can find it by swiping down on the home screen and typing "Files" in the search bar.
Tap on the Downloads folder on the Files app home screen.
You will see all files that you recently downloaded. Tap on the APNX file to view it.
If you have the right app that can open it it will automatically launch and open your file.
If you don't have the app which can open it you need to serch Apple app store for "APNX". This way you can find apps which can open APNX files.
If this doesn't help it is possible that your file could be opened only by the desktop application. To find an app which can open it on desktop look for "APNX viewer" or "APNX file" online in your favorite search engine.

Populating this website with information and maintaining it is an ongoing process. We always welcome feedback and questions that can be submitted by visiting Contact Us page. However since there are many users visiting this website and because our team is quite small we may not be able to follow up personally on every request. Thank you for your understanding.