How to Open an XLS File in Excel. 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 ...

How to Open XLS Files on a Smartphone. XLS is the default file type for Microsoft Office Excel files. It is compatible with nearly all programs that read spreadsheet files. If you are looking to ...

If you see The file couldn't open in protected view error while opening Microsoft Excel, the fixes listed in this post will help you.

If your Excel files are opening in Notepad on Windows PC, here's how you can reset the settings to make .xls, .xlsx, etc files open in Excel.

After the MS16-088 patch is applied, though, Excel refuses to open XLS files, showing a blank screen instead of a workbook. Poster conker123 on the TechNet Office forum described the problem ...

Numbers has the ability to open Excel files so you can work on them. You can also export spreadsheets in Numbers so that they are compatible with Excel.

How to open a .csv file in Excel Opening a .csv file is as easy as opening a .txt file, and usually, you won’t have to clean up the data before doing so because the save task inserts the delimiter.

This suite’s Excel counterpart, Calc, should open a corrupted Excel file. Unfortunately, it means a lengthy download, but if it works, it’s well worth the effort.

To recover the file, open Excel once your computer is working properly. A Document Recovery pane should appear with all unsaved Excel files listed (see the screenshot below). Choose the file that you ...