Convert XLC to XLSX

Understanding xlc and xlsx file formats

XLC is a file extension used by Microsoft Excel for chart files in versions prior to Excel 97. These files store chart data and formatting, but not full spreadsheet data. XLSX, on the other hand, is the modern Excel spreadsheet format introduced with Excel 2007, based on the Office Open XML standard. XLSX files can store complete workbooks, including charts, formulas, and data.

Why convert xlc to xlsx?

Converting XLC to XLSX allows you to open, edit, and share old Excel chart files using current versions of Microsoft Excel and other spreadsheet software. XLSX files are more widely supported and offer enhanced features and compatibility.

How to convert xlc to xlsx

Since XLC is an outdated format, direct conversion options are limited. The best approach is to use Microsoft Excel itself, as it offers backward compatibility for older formats.

1. Open Microsoft Excel (preferably Excel 2010 or earlier for best XLC support).
2. Go to File → Open and select your .xlc file.
3. Once the chart opens, go to File → Save As.
4. In the Save as type dropdown, select Excel Workbook (*.xlsx).
5. Click Save to create your new XLSX file.

Best software for xlc to xlsx conversion

Microsoft Excel is the most reliable tool for converting XLC to XLSX, as it natively supports both formats. If you do not have access to Excel, you can try LibreOffice Calc, which may open XLC files and allow you to save them as XLSX, though compatibility is not guaranteed.

Online converters

Few online converters support XLC files due to their age and rarity. If you find one, ensure it is reputable and secure before uploading sensitive data.

Summary

To convert XLC to XLSX, use Microsoft Excel's File → Open and File → Save As features. This ensures the best compatibility and preserves your chart data in a modern, widely supported format.