When Microsoft Excel detects a corrupted workbook upon opening,it automatically starts File Recovery mode and attempts to repairthe workbook. If File Recovery mode doesn't start, try using thismanual process to recover your workbook: 1.Click File > Open.2.Click the location and folder that contains the corruptedworkbook. 3.In the Open dialog box, select the corrupted workbook.4.Click the arrow next to the Open button, and then click Open andRepair. 5.To recover as much of the workbook data as possible, pickRepair. If Repair isn't able to recover your data, pick ExtractData to extract values and formulas from the workbook.