Create And Apply Border Cell Style. In the Format Cells dialog box on the Border tab under Line and Color click the line style and color that you want. The document model has a number of built-in cell styles that you can modify or apply directly.

EPPlus supports Top Left Right Bottom Diagonal DiagonalDownDiagonalUp alignments. Apply a cell style. To apply a new or different border style click the arrow next to Borders and then click a border style.
On the Home tab in the Styles group click the bottom right down arrow.
Excel cell border consists of two components ie. EPPlus supports Top Left Right Bottom Diagonal DiagonalDownDiagonalUp alignments. Cell is applied with light blue gridline. 100 to the.