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Navigation: Home > PTO file

Informations about the PTO filename extension and the file formats associated with it

We collected the information you should know about the .pto filename on this page. If you were sent a(n) .pto file in an e-mail, but you don’t know what to do with it, then you can find help here. We strive to suggest free, open-source applications that are available to everyone for the file formats.

1 filename extension(s) are in our database

.pto - Hugin Project

The PTO file is a Project file, which is connected to the Hugin Project according to our registry. With the adequate settings, the Hugin Project (.pto) files can be opened or converted with the help of Hugin.

Format description:
PTO format
Magic string:
- / -
Related links:
Related extensions:
TValue v5 Project
Code Crusader Project
Milestones v3 Project
Visual Orangator Project
Visual J# Project
Flash Gallery Builder Project

Important! Programs other than the ones listed above may also use the .pto file extension. Even harmful programs can create files with the .pto extension to store data in them. Always be careful with .pto files coming from unknown sources. Don’t open executable files that arrived in mails, even if you know the sender.

The .pto file can’t be opened on your computer?

If the program necessary for opening the .pto file is installed properly on your computer, then the quickest and simplest way to open the .pto file is to double-click on the file’s name. If that doesn’t work, then the right software probably isn’t installed on your computer.

While opening the .pto file, you may receive an error message from the associated application, this can be caused by the following:

Incorrectly given .pto extension

The .pto filename extension can be given incorrectly sometimes. The cause of the error could be a mistake or a simple typo. We found the following incorrectly given filename extensions that are the most frequent in the case of .pto files.

oto, tpo, ptp, ptk, pro, po, pgo, pyo, ptl, pt, pot, pho

Maybe you’re not even looking for the .pto file extension?

It’s possible the the file’s extension was given incorrectly. Below, we list some filename extensions that are similar to the .pto extension. It’s possible that the one you’re looking for is among them.

AutoPano Project
Python Optimized Code
PATCHMASTER Protocol Editor Information
Papagayo Data
Topo Explorer Map
KiCad Project File

Associated applications

The Windows operating system stores information about the applications associated to the file extensions in the registry database. The associations can be queried or modified in the Command Prompt window with the "assoc" command.

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We gladly accept application suggestions, but our primary goal is to suggest reliable, open-source applications that can be freely distributed to the users.

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