What are FAMILYX files and how to open them

Are you having problems opening a FAMILYX file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a FAMILYX file?

A .FAMILYX file is a My Family Tree Family file.

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open FAMILYX files

Important: Different programs may use files with the FAMILYX file extension for different purposes, so unless you are sure which format your FAMILYX file is, you may need to try a few different programs.

While we have not verified the app ourselves yet, our users have suggested a single FAMILYX opener which you will find listed below.

Last updated: December 24, 2012

Various apps that use files with this extension

These apps are known to open certain types of FAMILYX files. Remember, different programs may use FAMILYX files for different purposes, so you may need to try out a few of them to be able to open your specific file.

My Family TreeMy Family TreeUser submitted

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about FAMILYX file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.