File Extension PQO

  • Full name
    PhreeqcI
  • Developer
    U.S. Geological Survey
Have you encountered a problem with a PQO file? Don’t you know which program opens a file with this extension? You will find all the information you need about working with a PQO file here. In the further part of this page we have added a list of programs that should open your PQO file. It is enough you choose a proper application for your operating system, download and install it.

Programs which can open a PQO file

How to open a PQO file? Advice and guidance

Absolutely most often appearing reason that prevents you from opening the PQO file is the lack of a proper application to support it in your operating system. It is notably the first thing you need to address. When one of the programs to support a PQO file from the list is already installed, you can try to rerun the file. The system should display a message asking you to choose a primary application to support PQO files. At this point we are looking for disk space where the application was installed in and we can link it with a PQO file. Since then, our operating system will use the selected program to support all PQO files.

Other issues

Despite the described problem with PQO there may be many more problems. If the existing operations were not effective, get involved with the following matters:

- verify that the PQO file is not damaged and that it has been downloaded or copied in whole
- verify that the file has a file extension that has not been intentionally changed (for example, if it do not contain other information than its extension suggests)
- make sure again whether the PQO file type is linked in the operating system with a proper program
- make sure that the file is not infected with a virus and you have up to date software and drivers.

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