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 ...

On the right side, select the Open checkboxes for the file types that you want to open in the Protected View. Now, select the Open selected file types in Protected View radio button at the bottom.

A Python tool for batch formatting Excel workbooks with automated styling, data validation, and worksheet protection - CrueChan/excel-format-tool ...

Tips If you need to edit the batch file later, browse to the Startup folder in Windows Explorer, right-click the file and click "Edit." Double-clicking the file will run the batch file immediately.

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.