Convert SXC to XLSX Files Online for Free.
Free online tool to convert sxc to xlsx files quickly and securely. No installation required – start converting your files in just a few clicks!
Drag and drop your files here or click to upload.
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Maximum file size is 10MB
How It Works
How to Convert SXC to XLSX
Click inside the file drop area to upload your SXC file or drag & drop it.
Select XLSX as the output format and click the 'Convert' button.
Download the converted XLSX file instantly after conversion.
You can also send a link to the converted file via email. (Optional)
Convert Your SXC files to other formats
RunConvert.com can convert your SXC files to these other formats:
Convert Your SXC files to other formats
Convert Files to SXC Format
RunConvert.com supports these converters to SXC format:
Convert Files to SXC Format
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Frequently Asked Questions
Here are some common questions and answers about sxc file conversions ask by our users on RunConvert.com.
Frequently Asked Questions
Q: Does RunConvert compress spreadsheet files?
A: We don’t compress them by default, but the resulting files are often smaller—especially if converting from XLS to XLSX or to CSV.
Q: Is spreadsheet conversion free on RunConvert?
A: Totally free. No hidden fees or credit cards—just a clean, simple conversion experience.
Q: How do I know if the converted file is accurate?
A: We recommend opening and scanning the result before sharing. Most conversions are spot-on, but it’s good to double-check!
Q: Can I convert spreadsheets from cloud storage?
A: Not directly yet—but you can download from Google Drive, Dropbox, or OneDrive first, then upload to RunConvert.
Q: Does RunConvert support right-to-left languages like Arabic or Hebrew?
A: Yes! Just make sure your original spreadsheet is encoded in UTF-8. We handle RTL text without issues.
Q: Why does Excel show a warning when opening my converted file?
A: It’s common with non-Excel formats or CSVs—it’s just Excel being cautious. If the data looks good, you’re fine.
Q: How do I convert an Excel spreadsheet to Google Sheets?
A: Easy-peasy. Just upload your Excel file to Google Drive, right-click it, and select 'Open with > Google Sheets.' From there, you can save it as a native Google Sheet.
Q: How long does a spreadsheet conversion take?
A: Usually just a few seconds. It depends on your file size and internet speed, but it’s faster than brewing a cup of coffee.
Q: Can I convert password-protected Excel files?
A: You'll need to remove the password first. Conversion tools can’t peek inside locked files—privacy, remember?
Q: What spreadsheet formats does RunConvert support?
A: Lots! XLS, XLSX, CSV, ODS, TSV, PDF, and even HTML table formats. Basically, if it holds rows and columns—we can probably handle it.
What is SXC (StarOffice Calc Spreadsheet)?
SXC (StarOffice Calc Spreadsheet) is an open-source file format used for spreadsheets created with StarOffice or OpenOffice Calc. It stores data in a structured tabular format, similar to other spreadsheet formats like XLSX, but uses XML for data storage.
SXC files are typically used by those who work with OpenOffice or LibreOffice, as well as by those who need to share spreadsheet data across different platforms with free and open-source software.
How to open SXC?
SXC files can be opened using OpenOffice Calc, LibreOffice Calc, or other compatible software like SoftMaker Office. You can also open SXC files in spreadsheet programs that support XML-based formats.
To open an SXC file, simply open your spreadsheet program and choose 'Open' from the file menu, then select the SXC file you want to view or edit.
SXC is Developed by: OpenOffice.org (now Apache OpenOffice)
SXC was Released on: 2000
Useful Links for SXC:
How to convert SXC?
You can convert SXC files to other formats such as XLSX, CSV, or ODS (OpenDocument Spreadsheet) using online converters or spreadsheet programs that support export options.
To convert an SXC file using OpenOffice or LibreOffice, open the file and select 'Save As' from the file menu. Choose the desired output format, such as XLSX or CSV, and save the file accordingly.
What is XLSX (Excel Spreadsheet)?
XLSX (Excel Spreadsheet) is a file format used by Microsoft Excel to store spreadsheets. It is a more modern and efficient version of the older XLS format and is based on XML (Extensible Markup Language).
XLSX files can store multiple sheets, data tables, charts, graphs, and more complex data structures. This format is widely used for organizing, analyzing, and visualizing data.
How to open XLSX?
XLSX files can be opened using spreadsheet programs like Microsoft Excel, Google Sheets, LibreOffice Calc, and Apple Numbers. These applications fully support the features of XLSX files, such as multiple sheets, formulas, and charts.
To open XLSX files in Excel or Google Sheets, simply double-click the file or import it directly into the application.
XLSX is Developed by: Microsoft
XLSX was Released on: 2007
Useful Links for XLSX:
How to convert XLSX?
You can convert XLSX files to other formats, such as CSV, PDF, or JSON, using online file converters. Upload the XLSX file and choose the desired output format.
Many spreadsheet applications like Excel also allow saving XLSX files in other formats, enabling cross-platform compatibility.
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