Specifying fold marks Fold marks display where the border between rows in a signature is located, and they indicate where the sheet is supposed to be folded. In the Fold marks tables, you can double-click a cell or click F2 when a row is selected to start editing. Horizontal fold marks are printed outside the left and right edges of the signature, between the rows that you specify. Vertical fold marks are printed outside the top and bottom edges of the signature, between the columns that you specify. You can specify the default values used for fold mark length, width, and distance. To specify horizontal fold marks 1 In the Sheet Layout editor, select Hor. Fold Marks in the Category tree. 2 Edit the fold mark settings. See Horizontal fold marks settings. To specify vertical fold marks 1 In the Sheet Layout editor, select Ver. Fold Marks in the Category tree. 2 Edit the fold mark settings. See Vertical fold marks settings. To specify default values for fold marks 1 In the Sheet Layout editor, select Tools > Options. The Options window opens. 2 Edit the Fold marks defaults values and click OK.