Files with pik file extension are mainly related to old program called Protel 99. Most likely obsolete format, or used by successor product called Altium Designer.
Software that open pik file
PIK file extension - Protel 99 PIK data
What is pik file? How to open pik files?
File type specification:
The pik file extension is associated with the Protel 99 pick and place generation file that is created in the CAM Outputs for [pcbfilename] folder.
The Protel 99 is obsolete product developed by Protel International also known as Altium Limited. The Protel 99 was replaced by Altium Designer.
The default software associated to open pik file:
Company or developer:
Altium Limited.
Altium Designer is a set of applications for printed circuit board, FPGA and embedded software design.
List of recommended software applications associated to the .pik file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open pik file, edit pik file, convert pik file, view pik file, play pik file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with pik file - Protel 99 PIK data
Click on the software link for more information about Altium Designer. Altium Designer uses pik file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).