Open K3 file

The most common choise: DataFlex index

How to open DataFlex index .k3 files

Have you had trouble opening the k3 file on your computer? What are k3 files? We explain what they are and recommend software that we know will open them.

What is k3 file?

A k3 file extension is related to the DataFlex database programming language and used for its index files.

DataFlex index description

The k3 file extension is associated with the DataFlex a 4GL object oriented database programming language introduced in 1978 by Data Access Corporation. The k3 file stores index of DataFlex datafiles.

DataFlex index files have a .K* extension. The * of K* is a one or two digit number. Values of K* will range from K1 through K15.

Suggested software to open k3 file


A relational, 4GL Object Oriented database programming language

What file extension actually is?

Simply put, file extensions are the characters after the dot in the computer file name, so for example document-name.pdf has file extension „pdf“. This helps Windows to identify which program should be used to open the file.

We can help you to open your file

Our database contains a huge list of different file extensions, usually with detailed description and programs that can be used to open or otherwise work with that particular file type.

Only original software

Every software listed in our database is verified and ve provide link to the developer or to the software own website, which should hopefuly be enough for you to download the most recent version of the program.