Open WK File
The WK file extension is primarily used for Lotus 1-2-3 files defined by IBM as a spreadsheet standard. The WK files are compatible with office applications for Windows devices. As is well known, then the WK file becomes part of the Spreadsheet Files category. The most common program to handle WK files is Lotus 1-2-3, however there are other different programs that support this file format. The Lotus 1-2-3 software was developed by IBM, which is now discontinued, but more information about this type of files and about the Lotus 1-2-3 program can be found on their official website.
The programs that currently can open and operate WK files, among others, are:
The WK files are also compatible with mobile devices that have suitable spreadsheet software, and the way of working is similar to common Excel files.