Convert XLSX to XLS
Pick a source and destination format below, then upload your file.
Drag & drop a file here, or
Uploading auto-detects the source format above.
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About these formats
XLSX is Microsoft Excel's spreadsheet format -- formulas, multiple sheets, and formatting, and the default for business data.
XLS is the legacy Excel format used before 2007. Modern Excel still opens it, but many newer tools no longer write it.
How to convert xlsx to xls
- Upload or drag & drop your file into the converter above.
- Confirm the output format in the destination dropdown.
- Click Convert, then download your converted file.
Frequently asked questions
Is it free to convert XLSX to XLS?
Yes -- converting XLSX to XLS on digiutil is completely free. There's no signup, no watermark, and no install required.
How do I convert XLSX to XLS?
Upload your XLSX file using the converter above, confirm XLS as the output format, and click Convert. When the conversion finishes, a download button appears.
Is my XLSX file safe?
Yes. Files are processed over an encrypted connection, never shared, and automatically deleted from the server shortly after conversion.
Do I need to install any software?
No -- the whole conversion happens in your browser and on our servers. It works on Windows, Mac, Linux, iPhone, and Android with nothing to install.