LaserWriter configuration file
File type: Configuration file
A .dtpc file is a LaserWriter configuration file. It stores configuration data used by the LaserWriter printing system.
LaserWriter was Apple's laser printer with a built-in PostScript interpreter.
File type category:
Configuration file
Date updated: September 28, 2026
The DTPC file extension is associated with Apple's LaserWriter printing system. The original LaserWriter was introduced by Apple in 1985 and used a built-in PostScript interpreter to process print jobs.
A .dtpc file contains configuration data for LaserWriter. It is a support file for the printer software rather than a document intended for editing or printing.
This is a legacy configuration format associated with Apple's classic Macintosh printing environment.
A .dtpc file is not normally opened as a standalone document. On a compatible classic Macintosh system, leave it in the location used by the LaserWriter software and let the associated printer setup or printing software use it.
A .dtpc file contains printer configuration data and has no useful document conversion format. It cannot normally be converted to PDF or another document format.
If the configuration is needed on another system, recreate the LaserWriter settings in compatible printer software rather than converting the file.
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