Having problems opening a plt file?

Find out what programs can help open, view, play or convert your plt files.

Opening plt files
HPGL Plot File

Did your computer fail to open a plt file? We explain what plt files are and recommend software that we know can open or convert your plt files.

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What is plt file?

Plotter file created using the Hewlett-Packard Graphics Language (HPGL); contains a series of two-letter codes, such as "IP," which declares the initial point on a plot; may contain optional parameters with the codes; used by various drawing programs and printers for creating printable plotter documents. PLT files can be scaled to different sizes without losing quality. They are stored in an ASCII text format. PLT files are the same as .HPG files.

Software that will open, convert or fix plt files

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