The File Extensions Database


.3R File Extension

  • Developer by: Parametric Technology Corporation
  • Category: Bitmap image Files

What is an .3R file?

.3R is Arbortext Advanced Print Publisher raster image

The 3r file extension is associated with the Arbortext Advanced Print Publisher, a typesseting software for Microsoft Windows operating system, developed by PTC.

The 3r file stores raster image from APP.


How to open:

Use APP to open *.3r rasters.

How to convert:

APP may be able to export *.3r files to other formats.

How to solve problems with 3R files

  • Associate the 3R file extension with the correct application. On :
    Windows: Right click on any 3R file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.3R files". Mac: Right click (or Ctrl-click) the 3R 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 .3R is Arbortext Advanced Print Publisher raster image. Because only the current version supports the latest 3R file format. Search, therefore, e.g. on the Parametric Technology Corporation manufacturer website after an available .3R is Arbortext Advanced Print Publisher raster image update.
  • To make sure that your 3R file is not corrupted or virus-infected, get the file again and scan it with antivirus software.