How to specify a column width 1 Select the tab on the bottom left corner of the grid or table. Guide cells appear at the top and left sides of the grid or table. 2 Select the guide cell of the column to resize. 3 In Property Editor, under Properties, choose General. 4 Specify a value for Width. You can specify different units of measurements, including inches, centimeters, millimeters, and a percentage of the total grid or table width.