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.

Zoho Sheet - Online Excel Viewer Navigate to Zoho Sheet, the free online Excel viewer (see Resources). Click the "Browse" button in the Local File section, select the XLS file and click "Open." ...

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 ...

Here's how Open your file in Excel. From the Office tab, select Save As., In the new dialog box select your preferred file type, such as cvs or txt and click OK. You will receive a warning that (your ...

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.

I tried to change the association setting for opening .XLS files to Excel in Windows 10, but it only gives me the Adobe option in the Control Panel.