The safest and most effective way to recover your data is by using legitimate free tools built into Microsoft Excel or verified third-party utilities that offer free trials. 1. Official Free Method: Microsoft "Open and Repair"
Navigate to and select your corrupted file (do not double-click it).
Before downloading any software, try Excel's built-in repair utility. This is the most reliable way to fix corrupted workbooks without third-party tools. Open a Excel workbook. Go to File > Open > Browse .