Similar to LibreOffice, it is a well-known free alternative that can open older Lotus spreadsheets and save them in Excel-compatible formats like "Microsoft Excel 97/2000/XP." 3. Dedicated Desktop Converters (Free Trials Available)
Available on platforms like CNET Download, this trial version tool can export Lotus data to Excel, Access, and even SQL scripts. How to Convert Your Files Step-by-Step Coolutils Converterhttps://www.coolutils.com Convert 123 to XLSX Online for Free - CoolUtils lotus 123 to excel converter free download
This powerful, free office suite maintains filters for legacy formats. You can open .wk1, .wk3, and .wk4 files directly and use File > Save As to convert them to .xlsx. Similar to LibreOffice, it is a well-known free
If you are dealing with sensitive data, using a local application is more secure than uploading files online. You can open
Supports various Lotus extensions and allows you to adjust conversion settings before downloading the final .xls or .xlsx file. 2. Free Open-Source Software (Best for Data Privacy)