Open QCI file

QCI files: what are they and how do I open them?

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.qci file type #1: Cliq accessories phonebook index

Files with qci file extension are phonebook  indexes used in old Cliq program for Linux/Unix.

Further details:

The qci file extension is mainly related to older program called Cliq that was used mainly on Unix or Linux OS.

Most likely obsolete and no longer used. Originally developed by Quadratron Systems.

.qci file type #2: Massively Parallel Quantum Chemistry Program file

The QCI file extension is related to the Massively Parallel Quantum Chemistry Program.

Further details:

The QCI file extension is associated with the Massively Parallel Quantum Chemistry Program a software for computing properties of atoms and molecules. The *.qci file stores some kind of chemistry data for MPQC.

Open file with:

Massively Parallel Quantum Chemistry Program

A software for computing properties of atoms and molecules

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.qci" has the file extension "qci". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

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In our database, we have collected a huge number of different file extensions, detailed descriptions, and programs that can be used to open or otherwise work with the file extensions listed in our database.
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