A WK3 file is a spreadsheet file format associated with Lotus 1-2-3, a pioneering spreadsheet software developed by Lotus Development Corporation. Similar to the WK1 format, the WK3 file is an older version and represents spreadsheet files created and saved in Lotus 1-2-3 version 3.x.

What is a WK3 File?

A WK3 file is a spreadsheet file that contains data organized in rows and columns, including numerical data, formulas, text, and formatting. Lotus 1-2-3 was widely used in the 1980s and 1990s before being supplanted by other spreadsheet applications like Microsoft Excel. The WK3 format signifies a later version compared to WK1, offering additional features and improvements.

How to Open WK3 Files:

Opening WK3 files can be challenging in modern times as Lotus 1-2-3 is outdated and no longer widely supported. However, similar to WK1 files, there are a few methods to access the data:

1. Use Lotus 1-2-3:

2. Convert to a Modern Format:

3. Use Spreadsheet Software:

Various Apps that Use WK3 Files:

While WK3 files are associated with older technology, here are some tools and methods that may help you work with WK3 files:
Lotus
Integrated Software Package
IBM Lotus
Microsoft Office
Source Insight