Learn how to insert a diagonal line to a cell in Microsoft Excel and Google Sheets using the Border feature, Drawing tool, Sparkline function, etc.

Alternatively, because borders are thicker and more pronounced than the default grid lines, you can put border lines around all cells to further define each one to prevent them from blending ...

White space appears as empty area within an Excel 2003 cell and it can be created by text or formatting. Textual white space consists of manually entered extra spaces or lines within the cell ...