.WKS File Extension
File Type 1Lotus 1-2-3 Spreadsheet
What is a WKS file?
Spreadsheet file created by Lotus 1-2-3; stores data in a grid of cells, which may contain formulas, alphanumeric text, or number values and are organized by rows and columns.
WKS files are used in Lotus 1-2-3 version 1.0.
NOTE: Excel 2007 and later may not open Lotus WKS files.
File Type 2Works Spreadsheet
.WKS File Association 2
Spreadsheet created by versions 4.x and 2000 of Microsoft Works, a spreadsheet application; contains data organized in rows and columns; may also contain formulas, charts, graphs, and other information.
Microsoft Works (also "MS Works") is a streamlined version of MS Office and does not include all the features available in the Office programs. MS Works was discontinued in 2008 and was later replaced with Microsoft Office Starter Edition.
NOTE: Microsoft Excel 2003 and earlier could open WKS files, but support for the WKS format was removed in Excel 2007. However, Excel may still be able to import data from a WKS file without the formatting.