PAGES Files are document files created by Apple Pages, a word processing and page layout program. Pages files can contain a simple text document, but even very complex multi-page documents are possible. A PAGES file can contain text, images and tables as well as diagrams. The Pages program is part of Apple's iWorks suite, which also includes Keynote (for presentations) and Numbers (spreadsheets).
Pages is a proprietary format and can only be opened with Apple Pages. However, it is also possible under Windows and Linux with a trick to get to the contents of the document. Since a PAGES file is a kind of archive of several files, you can also open such files with an unpacker such as 7-Zip. In it you will find, among other things, a pdf file that contains the entire document.
Most often resolving problems with opening PAGES files is very simple. Just install an appropriate program that supports such files. All of the listed programs support PAGES files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of PAGES 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 PAGES 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 Google Drive viewer applications is not on the list, select "Browse" option in order to manually locate the directory where Google Drive viewer has been installed.
Sometimes problems with opening PAGES files may not lie with the application itself, but can arise due to other causes, such as: