How to open FTL files
Did your computer fail to open a FTL file? We explain what FTL files are and recommend software that we know can open or convert your files.
What is a FTL file?
The FTL file extension indicates to your device which app can open the file. However, different programs may use the FTL file type for different types of data.
We are aware of 2 different uses of the FTL extension, which you can read more about below.
Family Tree Legends data
Through our analysis of FTL files, we know that one use of the format is Family Tree Legends data. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.
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Faster Than Light mod
Through our analysis of FTL files, we know that one use of the format is Faster Than Light mod. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.
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Software that will open, convert or fix FTL files
These apps are known to open certain types of FTL files. Since many different programs may use FTL files for different purposes, you may need to try a few of the apps to open your specific FTL file.
 | Family Tree Legends | User submitted |
 | Family Tree Legends - Starter Edition | User submitted |
 | fuzzyTECH | User submitted |
 | FuelTech Datalogger | User submitted |