What's the dif? Gridlines vs borders in spreadsheets
A lot of you want to know the difference between gridlines and borders. Gridlines help you work in a spreadsheet, and borders help you highlight important information in one for your audience. Gridlines appear automatically so you can see how your data is organized into rows and columns; borders need to be added by you so you can highlight certain cells. This post describes how to work with both of them.