Category Overview

Data File Extensions

Data file extensions are used by databases, applications, scientific tools, configuration systems, and structured datasets. Browse the formats below to identify a data file and find software that may read, import, edit, or export it.

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Data Extensions
Category Guide

How to identify and use data file formats

Data files can be plain text, structured records, binary databases, caches, or application-specific resources. Avoid editing an unknown data file directly, keep a backup, and use the application that originally created it whenever possible.

Filter Extensions

Filter this category by the first letter of the extension.

4 Data Extensions Available
.KF8

Amazon Kindle Format 8 eBook

KF8 (Kindle Format 8) is a file format developed by Amazon for use in Kindle eBooks. It is the successor to the older MOBI format and o...

Data
.KFX

Kindle Format 10

KFX is a proprietary ebook file format developed by Amazon for use on Kindle devices and apps. It's a more advanced format than the old...

Data
.KML

Keyhole Markup Language File

KML (Keyhole Markup Language) is an XML-based file format used to represent geographic data in applications like Google Earth, Google M...

Data
.KMZ

Keyhole Markup Language Zipped

KMZ files are compressed archives containing a KML (Keyhole Markup Language) file and any supporting files, such as images, icons, and...

Data