Files with xkp file extension might be found as part of X-Keys Pro programmable devices.
XKP file extension - X-Keys Pro data
What is xkp file? How to open xkp files?
File type specification:
The xkp file extension seems to be related to X-Keys Pro, a family of programmable keyboard devices by P.I. Engineering, Inc.
The xkp file was probably found in one of the X-Keys devices. The exact purpose of this file type could not be verified.
This xkp 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.