WKS - Lotus 1-2-3 Spreadsheet

What is a WKS file

WKS is the file extension assigned to spreadsheets created using Lotus 1-2-3, a spreadsheet and table creation software by Lotus. Similar to other spreadsheet files, WKS files store data in cells and tables. Since the WKS format has been used in Lotus 1-2-3 version 1.0, it is likely that newer spreadsheet programs (Microsoft Excel 2007 and newer) are not able to open WKS files.

WKS files store data of different kind. The cells containing the data can consist of numbers and text as well as formulas. The data is organized in a table structure using rows and columns. Usually, WKS files can be opened in all kinds of spreadsheet programs like Microsoft Excel or OpenOffice Calc. However, it may be that some WKS files are not compatible with newer versions of these programs.

Here's a small, but not exhaustive list of programs that can open WKS documents:

  • Apache OpenOffice (Windows, Mac & Linux)
  • Corel Quattro (Windows)
  • Gnumeric (Windows & Linux)
  • IBM Collaboration Solutions (Windows)
  • Microsoft Excel (Windows & Mac)
  • Planamesa NeoOffice (Mac)
Extension WKS
MIME type application/lotus123, application/x-lotus123, application/wks, application/x-wks, application/vnd.lotus-1-2-3
Useful links
Example Files
(2.31 KiB)
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