XLS to XLSX
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Step 1: Start the conversion by uploading your XLS file to our uploader on the right side. Just drag or drop your file, or you can simply click on it.
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Step 2: The file conversion from XLS to XLSX will start automatically and will be complete within just a few seconds.
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Step 3: Click the download button to save your XLSX file locally.
You can upload up to 20 files simultaneously.
