TO INSERT A NEW COLUMN TO THE LEFT OF A SPECIFIC COLUMN, RIGHT- CLIK THE HEADER CONTAINING THE COLUMN'S LETTER AND SELECT

To insert a new column to the left of a specific column, right-click the header containing the column's letter and select the option "Insert Left" or "Insert Column Left" (depending on the software or application you are using). This will add a new column to the left of the selected column.

INSERT LEFT OR INSERT COLUMN