Files with PQI extension might also be found as part of Phreeqcl GUI interface for ​PHREEQC.

There is one other file type using
the PQI file extension!

pqi icon.pqi - PowerQuest drive image

Detailed description

Software that works with pqi file extension

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PQI file - PhreeqcI file

What is pqi file? How to open pqi files?

File type specification:

Various data file type icon Various data file type

The PQI file extension is also in the Phreeqcl program for one of its default format. PhreeqcI is a graphical user interface for the geochemical computer program PHREEQC.

The default software associated to pqi file type:

PhreeqcI  Microsoft Windows software

Company or developer:
U.S. Geological Survey

PhreeqcI is a a Graphical User Interface for the Geochemical Computer Program PHREEQC by USGS.

Help how to open:

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:

As far as we know, this .pqi 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 .pqi file extension

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

  • Others pqi file

Unspecified and all other actions for computer programs working with pqi file - PhreeqcI file

Click on the software link for more information about PhreeqcI. PhreeqcI uses pqi 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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