There are 2 other file types using
the PT3 file extension!

pt3 file icon.pt3 - Adobe PageMaker template file

pt3 file icon.pt3 - Protext formatted text data file

Detailed description

Software that works with pt3 file extension

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PT3 file extension - Harvard device driver file

What is pt3 file? How to open pt3 files?

File type specification:

Various data file type icon Various data file type

The PT3 file extension is associated with Harvard Graphics the presentation software for MS-DOS and Microsoft Windows operating system. The .pt3 file stores device driver for Harvard Graphics.

Harvard Graphics was acquired Serif.

Help how to open PT3 files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension PT3:

As far as we know, this .pt3 file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .pt3 file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open pt3 file, edit pt3 file, convert pt3 file, view pt3 file, play pt3 file etc. (if exist software for corresponding action in's database).

  • Others pt3 file

Unspecified and all other actions for computer programs working with pt3 file - Harvard device driver file

Click on the software link for more information about Harvard Graphics ChartXL. Harvard Graphics ChartXL uses pt3 file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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