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.XNC File Extension

File TypeExchange NC File

DeveloperUcamco, KiCad, and Pentalogix
Popularity
2.0 (1 Vote)
CategoryCAD Files
FormatText

What is an XNC file?

An XNC file is a text file saved in the Exchange NC (XNC) format. It contains numerical control instructions (XY coordinates) for directing a machine tool, such as a drill, for the production of Printed Circuit Boards (PCB). XNC files are designed for exchanging information between CAD and CAM programs.

More Information

Screenshot of a .xnc file in Ucamco Reference Gerber Viewer

XNC file open in Ucamco Reference Gerber Viewer

The XNC format is compact and streamlines the CAD to CAM process with no requirement for additional sidecar files. The format stores multiple commands on separate lines, with each line in the file representing a single command. There is no limit of commands that can be stored in an XNC file but commands must be upper case. XNC files also contain metadata that may include the span of the drill holes, whether the drill hole is a mechanical or component hole, or if the drill hole is plated.

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Programs that open XNC files
Updated 5/21/2019

About XNC Files

Our goal is to help you understand what a file with a *.xnc suffix is and how to open it.

The Exchange NC file type, file format description, and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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