Easily Repair Excel File with Stellar Phoenix The software helps you minimize your hassles when dealing with corrupt or damaged Excel workbooks. If your large Excel file has slowed down the application or an error pops up while saving your worksheet in Excel, you are heading for spreadsheet corruption. Stellar Phoenix Excel Repair makes your damaged Excel files usable again by identifying corruption in individual objects, fixing the damage, and restoring the file back to its original specifications. The Excel repair tool can help you repair a batch of Excel files simultaneously in a single attempt.