Spreadsheet formats

What is the WKS format?

WKS — Microsoft Works / Lotus Spreadsheet

WKS is used by Microsoft Works spreadsheets and by early Lotus 1-2-3 worksheets.

R convert from WKS WKS Converter

Convert WKS to

About the WKS format

Lotus 1-2-3, the dominant spreadsheet of the 1980s, used WKS for its first versions; Microsoft Works later used the same extension for its spreadsheets.

Current Excel no longer opens these files. Converting to XLSX or CSV rescues the data.

Programs that open WKS

  • LibreOffice Calc
  • Microsoft Works (historic)
  • Lotus 1-2-3 (historic)

What WKS is used for

  • Old home-PC spreadsheets
  • Business archives

Other Spreadsheet formats

All 11 Spreadsheet formats · all supported formats