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.

If you work with multiple Excel files over the course of a workday, and especially if you use a dual-monitor setup, you might wonder how you can launch each Excel file in its own window so you can ...

Microsoft has started looking into a problem that is preventing users from opening some Excel file attachments with non-ASCII ...

Sometimes, Excel Online may not work as expected and won’t open files. In such cases, you may get error messages, such as ‘Couldn’t Open the Workbook‘, or ...

CSVFileView comes with several features that you may like to use. Apart from allowing you to open the CSV files, you can find these: There are more other options included in this app. However, you ...

How to Use Settings to Open Microsoft 365 Files in Desktop Apps Your email has been sent Learn how to use a Microsoft 365 setting that lets you determine whether to work in an online or desktop ...

Microsoft fixes a bug it surreptitiously introduced last month that affected Excel 2010, 2013, and 2016, including Office 365 versions I figure we have enough patching fodder this month for two thick ...

That’s when I stumbled upon LibreOffice, but the UI immediately put me off. And here is where I came across OnlyOffice. The ...

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 ...

Microsoft is working to resolve a known issue that prevents some users from opening Excel email attachments in the new Outlook client.