.PLT File Extension

File Type:
HPGL Plot File

Having trouble opening .plt extension? Don't panic! This page explains what plt files are as well as suggests programs you may use to open plt files. You can download these programs through this page.

What is a PLT file?

Plt file extension has HPGL Plot file type, developed by Hewlett-Packard, which is associated with the "vector image files" category.

Typically created with the Hewlett-Packard Graphics Language (HPGL), the file provides a series of codes that consist of two letters (for example, “IP”).  It may also include optional parameters with the codes. The file is usually applied to create plotter documents for printing.

PLT files use ASCII text formatting. They are the same as .HPG files.

To learn how you can open the given file, read the information below.

plt file icon
File Type:
HPGL Plot File
Vector Image Files

How to open PLT file?

Double click the plt file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .plt extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the plt extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the plt file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open PLT files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the plt file as well. Download Universal File Viewer for your OS.

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