>> 3PI file

3PI file format description

Many people share .3pi files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .3pi file can be edited, converted or printed with. On this page, we try to provide assistance for handling .3pi files.

1 filename extension(s) found in our database.

.3pi - 3rd PlanIt Data

The 3PI document files are related to 3rd PlanIt. 3PI file is a 3rd PlanIt Data. 3rd PlanIt is a powerful CAD program designed specifically for the needs of model railroading.

3rd PlanIt
Document files
- / -
3rd PlanIt Data related extensions:
FX Draw Document
FX Graph 3 Document
eFax Document
Edraw Max Compressed Document
Edraw Max Document
Systems Biology Markup Language Document

Naturally, other applications may also use the .3pi file extension. Even harmful programs can create .3pi files. Be especially cautious with .3pi files coming from an unknown source!

Can't open a .3pi file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .3pi file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

3pj, epi, p3i, pi, rpi, wpi

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

3D Text Commander Project
Kega Fusion Render Plug-in
Encapsulated PostScript Interchange Document
OS/2 WarpIN Installer
Pixie Document
iPi Calculation Data

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .3pi file format, then write to us!

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