While there is a way for you to open two Excel workbooks at the same time, you can also open multiple spreadsheets in separate windows. Learn how!

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 Excel 2007 Files As Separate Windows. 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 ...

Once you do so, Excel files will become noticeable to the operating system again and you should make the file-to-program association once again to confirm the setting.

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).

While it is technically possible to open an Excel file in Notepad, this is not a good idea. Excel files are binary files that contain complex formatting and data structures. When you open an Excel ...

Google Sheets is known for its versatility, namely its compatibility with Excel files. Here's a guide on how to convert Excel files to Google Sheets.