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.

New Outlook fails to open Excel attachments with non-ASCII characters in filenames, and shows an error. Microsoft recommends using Outlook on the web or downloading ...

Use the following solutions to get rid of the “Sorry, Excel can’t open two workbooks with the same name at the same time” error message in Excel. To unhide the ...

Here, in this section of the post, we will recommend the five most effective tools and methods to repair the Excel file. Microsoft Excel’s Native Repairing Feature Online File Repair Service Recovery ...