Merge Sheets to a new or existing file Before merging, ensure you have all the Excel files open. Only when they are open can the Excel merge function choose a destination.

If Microsoft Excel opens a Blank screen when you open an existing file, then you can stop Excel from opening a Blank workbook or sheet.

How to Open Excel Sheets in Separate Windows. Whether you use Microsoft Excel to help run your invoicing, sales tracking, returns or payment divisions, spreadsheet software may be a daily ...

What is a CSV file? How to open and use the popular spreadsheet file Written by Dave Johnson A CSV file is a plain text file that can be opened in a variety of programs. dowell/Getty Images ...