With the QPW file extension, the Corel Quattro Pro spreadsheet identifies its spreadsheet (documents) documents in its proprietary format. This extension is used since version 9 of the software.
A QPW file also contains formatting instructions, formulas, and possibly macros, in addition to the table cell values. These macros may also contain malicious code, which is why, especially for QPW files from unknown sources, it is advisable to scan them before running the macros.
Quattro Pro is part of the WordPerfect Office suite and not available separately.
Most often resolving problems with opening QPW files is very simple. Just install an appropriate program that supports such files. All of the listed programs support QPW files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of QPW files or offer file conversion options, but may not be capable of editing such files.
It is possible that although a compatible program has been installed on user’s system, it is not used by the system to open it. This may happen because no default application was associated with this type of files. To associate QPW files with given application, select "Open with" from drop-down menu (accessed by right-clicking on the file). Then select from the list the program or application you want to be used to open this type of file. If the WordPerfect Office applications is not on the list, select "Browse" option in order to manually locate the directory where WordPerfect Office has been installed.
Sometimes problems with opening QPW files may not lie with the application itself, but can arise due to other causes, such as: