The File Extensions Database


.PLO File Extension

  • Developer by: Pierre-Emmanuel Gougelet
  • Category: Vector graphic Files

What is an .PLO file?

.PLO is HP Graphics Language plotter document

The plo file extension is mainly related to vector plotter files in HPGL.

HPGL, sometimes hyphenated as HP-GL, is the primary printer control language used by Hewlett-Packard plotters. The name is an initialism for Hewlett-Packard Graphics Language. It later became a standard for almost all plotters. Hewlett-Packard's printers also usually support HPGL in addition to PCL.


How to open:

You can view these files in Xnview.

How to convert:

Xnview is able to export *.plo files to other formats.

How to solve problems with PLO files

  • Associate the PLO file extension with the correct application. On :
    Windows: Right click on any PLO file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.PLO files". Mac: Right click (or Ctrl-click) the PLO file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .PLO is HP Graphics Language plotter document. Because only the current version supports the latest PLO file format. Search, therefore, e.g. on the Pierre-Emmanuel Gougelet manufacturer website after an available .PLO is HP Graphics Language plotter document update.
  • To make sure that your PLO file is not corrupted or virus-infected, get the file again and scan it with antivirus software.