Files with x3p file extension are associated with 3D-point data exchange format.
X3P file extension - 3D-point data exchange
What is x3p file? How to open x3p files?
File type specification:
The x3p file extension is used for 3D-point data exchange format, which is used to store line and areal profiles of 3d surface data as well as point clouds.
The x3p files are used by some metrology system manufacturers like NanoFocus, Mahr, Alicona and others.
This x3p file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.