Free Online XLS to XLSX Converter
XLS
to
XLSX
XLS
Microsoft Excel Worksheet Sheet (97-2003)
The XLS extension identifies files commonly known as Microsoft Excel Worksheet Sheet (97-2003). It organizes tabular or spreadsheet data into rows, columns, cells, and related values. Spreadsheet and data tools can calculate, analyze, edit, export, or convert the content while retaining the structure supported by the format.
XLSX
Office Open XML Worksheet Sheet
The XLSX extension identifies files commonly known as Office Open XML Worksheet Sheet. It organizes tabular or spreadsheet data into rows, columns, cells, and related values. Spreadsheet and data tools can calculate, analyze, edit, export, or convert the content while retaining the structure supported by the format.
How To Convert XLS to XLSX
Step 1: Upload Files
Click the upload button or drag and drop your XLS files into the upload area.
Step 2: Convert File
Click "Convert" and wait for conversion done
Step 3: Download
Download the converted XLSX file
