Convert WK3 to XL
How to convert WK3 Lotus 1-2-3 files to Excel format using LibreOffice Calc or online tools.

How to convert wk3 to xl file
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Understanding WK3 and XL file formats
WK3 is a spreadsheet file format used by Lotus 1-2-3 Release 3, a popular spreadsheet application from the late 1980s and early 1990s. WK3 files store data in rows and columns, including formulas and formatting, but are now considered obsolete.
XL is a generic term often used to refer to Microsoft Excel spreadsheet files. While the most common Excel file extensions are .xls and .xlsx, "XL" generally implies compatibility with Excel's features, such as advanced formulas, charts, and formatting.
Why convert WK3 to XL?
Converting WK3 files to XL (Excel-compatible) format allows you to access, edit, and share legacy Lotus 1-2-3 data using modern spreadsheet software like Microsoft Excel. This ensures better compatibility, security, and usability.
Best software for WK3 to XL conversion
The most reliable way to convert WK3 files to Excel format is by using LibreOffice Calc, a free and open-source office suite that supports both formats. Microsoft Excel (especially older versions) may also open WK3 files, but support is limited in recent releases.
How to convert WK3 to XL using LibreOffice Calc
- Download and install LibreOffice from the official website.
- Open LibreOffice Calc.
- Go to File → Open and select your WK3 file.
- Once the file is open, review the data for accuracy.
- To save as an Excel file, go to File → Save As.
- In the Save as type dropdown, select Microsoft Excel 97-2003 (.xls) or Microsoft Excel 2007-365 (.xlsx).
- Click Save to complete the conversion.
Alternative methods and online converters
Some online file converters, such as Zamzar or Convertio, may support WK3 to Excel conversion. However, for sensitive or large files, using LibreOffice Calc on your local machine is recommended for privacy and reliability.
Tips for a successful conversion
- Always back up your original WK3 files before conversion.
- Check the converted Excel file for formatting or formula discrepancies.
- If you encounter issues, try saving as .xls first, then open and re-save as .xlsx in Excel.
Note: This wk3 to xl conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.