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.

Microsoft Excel has several features designed to help you recover unsaved versions of files and prevent data loss.

Have you ever been in a place where you’ve been working on an Excel file for hours, and suddenly all of your work has been lost? It might be due to an unexpected power loss or a system crash, ...

If you have an old Excel spreadsheet, Excel opens it in normal view, which might be risky at times when it is downloaded from an unknown source. As many people Unblock the downloaded file without ...

When you're creating spreadsheet documents to track employee IDs, forecast sales or compare products, you may want to prepare your data in another program and open the resulting file in Microsoft ...

There might be times when we need to open multiple links saved in an Excel file. Many users do not know that Excel has a feature to open multiple links at once. Hence, they open the links one by one.

If you use Microsoft Excel on your Mac, you can save the spreadsheets you create and open them in Numbers, Apple’s spreadsheet app. It’s a handy feature to use in case you can’t access Microsoft’s ...

Spreadsheets created in Apple Numbers can be wondrous things, but opening them in Excel on a Windows PC is something of a headache. It can be done, though, with a little help from iCloud. In this ...