Please ensure the .xls file is not opened in other workbooks, add-ins, or apps. After coming to that conclusion, simply attempt to open the file again in Excel to see if the problem no longer exists.

An Excel file may be inaccessible due to a disk or network error, even though it isn't corrupted. In such cases, Excel won't be able to repair the file because the issue isn't with the file itself.

Microsoft Excel has an import wizard, but if you structure the text correctly, you can bypass the wizard altogether.

A CSV (comma-separated values) file is a text file in which information is separated by commas. CSV files are most commonly encountered in spreadsheets and databases. You can use a CSV file to ...