XLS files are Excel workbook files created in Excel 97 or Excel 2003. The 2007, 2010 and 2013 versions of the program use the XLSX format by default to save workbooks, but can also use the XLS format.

You can open an XLS file using a free online tool, the free OpenOffice software suite or Microsoft's Excel Viewer software. Zoho Sheet - Online Excel Viewer Navigate to Zoho Sheet, the free online ...

Choose the repair option to fix your corrupted Excel file. 4. Open the Excel file locally. Errors can also occur when an Excel file is stored in OneDrive and not synced locally. To resolve this, save ...

Excel displays a warning message that the file format and extension don’t match (HTML table and XLS), but allows the user to open the file anyway. Today, users reported that these reports no ...

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.

If Excel is not set as the default application to open the Excel file types (.xls, .xlm, .cvs, etc.), the file may open in another application. Press Win+I key combinations to open Windows Settings .

How to open an Excel file in Notepad++? Save your Excel file in CSV format; Download Notepad ++ via this link. Open Notepad++, change the file type filter to "All Types (.)" to see Excel files with ...

solution1. Go to a folder in Windows Explorer, then Tools -> Folder Options, then the File Types tab. For each of XLS, XLSM, XLSB, XLSX, etcetera, select it, then click Advanced, (if Advanced ...