.BUILDPATH File Extension
File TypeEclipse Build Path File
What is a BUILDPATH file?
Developer file created by Eclipse, a free IDE supporting Java, C/C++, PHP, and many other programming languages; created as part of a project using the filename .buildpath (no filename prefix); uses XML formatting.
BUILDPATH files are used for specifying source code completion, searching, and other features for the Eclipse project. They are commonly generated for PHP projects.