SXC to XLSX Converter
Convert your SXC StarOffice Calc spreadsheet into an editable XLSX workbook for Excel and Google Sheets. Secure processing, free downloads, no account required.
Drop your SXC files here
Up to 50MB per file.
Files are encrypted and auto-deleted after conversion
How to Convert
- 101
Upload your SXC files
Drag and drop or select SXC files from your device. You can upload multiple files at once.
- 202
Configure Output
Start the conversion. Crest Convert will prepare the XLSX file using the appropriate format engine.
- 303
Download XLSX files
Once conversion finishes, download your files individually or as a compressed ZIP archive.
Why convert SXC to XLSX?
SXC is a legacy StarOffice Calc spreadsheet used for worksheets, tables, calculations, and archived business data. Converting it to XLSX creates the current Microsoft Excel workbook format with worksheets, formulas, and formatted cells, ready for workflows that use the destination format.
XLSX opens in Microsoft Excel, Google Sheets, Apple Numbers, and LibreOffice Calc.
Frequently Asked Questions
How do I convert SXC to XLSX?
Add your SXC file, start the conversion, and download the completed XLSX result. No account is required.
What is a SXC file?
SXC is a spreadsheet format created by StarOffice Calc and early OpenOffice versions.
What is included in the converted XLSX?
HTML tables are placed into workbook worksheets. Headings and ordinary page text are added as rows when the source has no table.
Can I convert several SXC files?
Yes. Add multiple SXC files and convert them together. Each upload produces its own XLSX result.
Where can I use the converted XLSX?
XLSX files work with widely used viewers and compatible apps for viewing, sharing, editing or archiving the result.
Is SXC to XLSX conversion secure?
Yes. Files are transferred over an encrypted connection, processed securely, and automatically deleted shortly after conversion. No account is required.