Convert CSV 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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Ready to convert:
About these formats
CSV is the universal spreadsheet exchange format -- plain-text rows and columns every tool can read, from Excel to databases to Python.
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 csv 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 CSV to XLS?
Yes -- converting CSV to XLS on digiutil is completely free. There's no signup, no watermark, and no install required.
How do I convert CSV to XLS?
Upload your CSV file using the converter above, confirm XLS as the output format, and click Convert. When the conversion finishes, a download button appears.
Is my CSV 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.