Book1.xlsx Apr 2026

"Book1.xlsx" is the default temporary name Microsoft Excel assigns to a brand-new, unsaved workbook. Since this is a blank slate, 1. Getting Started with Your Workbook

: A workbook is the entire file, while "sheets" are the individual tabs within it. By default, your "Book1" will likely start with one sheet titled "Sheet1". Book1.xlsx

: Use Ctrl + F to find data or F2 to quickly edit a cell's content. "Book1

: Right-click the "Sheet1" tab at the bottom to rename it to something more descriptive like "Budget" or "Inventory". 2. Saving and Formatting When I open an Excel sheet a blank Book1.xlsx also opens Book1.xlsx