Since Excel 2007, continuing to Excel 2016, the maximum number of rows per worksheet is now 1,048,576 and the number of columns is 16,384. That makes 17,179,869,184 cells.
The squares are referred to as "cells" and there are a total of 17,179,869,184 cells per worksheet. Each excel workbook can have an unlimited number of worksheets.
three
In Microsoft Excel, a new workbook will normally have three worksheets.
3
You can hide all the worksheets in the workbook. A workbook can have as many worksheets as your computer's memory will allow, so there is no set maximum.
Excel 2003 and earlier are limited to 255 worksheets per workbook. There are usually 3 by default when you start Excel, but you can add more or change the default.
Those numbers are for each worksheet. You can have as many worksheets in an Excel 2007 workbook as the memory in your computer will allow. Excel 2003 and earlier are limited to 255 worksheets per workbook.
Three blank worksheets.
3
Cells in Excel worksheets can store many things, one of those being formulas. Formula entry is the act of putting formulas into cells. All formulas must begin with the equals sign. What happens after that will depend on what you want to do. See the related question below.
One file. No matter how many worksheets you have in an excel workbook, everything will be saved in a single file.
As many as the memory in your computer can store. The number of worksheets in each workbook is limited only by the amount of memory available.