创建一个网格。 设置页面边距。 创建图形。 添加文本。 连接图形。 下载一个模板。

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Excel spreadsheets are formatted by default to have cells that are wider than they are tall. To create a uniform flowchart, you will want to set the cell sizes to be square. To do this, click the Select All Cells button located in the top-left corner of the spreadsheet.  Right-click on any column heading and select Column Width from the menu. Enter 2.14 into the field and press Enter. This will change all of the cells into perfect squares. Turn on Snap to Grid from the Align menu in the Layout o