WKS, Lotus 1-2-3 Spreadsheet (.wks)

The WKS Spreadsheet file format

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.

Technical details of 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.

More information about the WKS file format

File extension .wks
File category Spreadsheet
Example file Download example.wks file (2.31 KiB)
Associated programs Apache OpenOffice (Windows, Mac & Linux)
Corel Quattro (Windows)
Gnumeric (Windows & Linux)
IBM Collaboration Solutions (Windows)
Microsoft Excel (Windows & Mac)
Planamesa NeoOffice (Mac)
Useful links How to use WKS in Microsoft Excel
Developer IBM