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 ...

If you're looking for an easy way to recover unsaved Excel files, this is the guide for you. We'll show you how to recover unsaved workbook quickly and easily, so you can get back to work.

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

You can make Excel always open old spreadsheets in Protected View. Enable or disable Protected View using in-built setting, Group Policy, Registry.

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.

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.

Enable the "Open the destination file after the export operation is complete" option if you want the exported file to open immediately in Excel after the conversion process finishes.