When dealing with tables in AutoCAD, especially when you need to format or merge cells, the process generally involves a few clear steps:

Select Cells to Merge: Select the cells you want to merge.

Merge by Row: After selecting, merge the cells in the row. This consolidates the selected cells into a single cell which is useful for labeling a total row.

Steps to achieve this:

Click on the first cell you want to merge.

Hold down the shift key and click the last cell in the row to select all the cells you want to merge.

Right-click and select "Merge Cells" and then choose the option to merge by row.