DM Electrical 
Quick Label Insertion Insert Room Type.
The Insert Room Type dialog box will open.
The Insert Room Type dialog box will remain in front of all windows to provide smooth transitions back and forth from Excel to the DM dialog box.
Click on the Excel cell in which you wish to place a room type label. Select the callout you wish to enter in the Insert Room Type dialog box and press Insert Room Types. Design Master will place the label in the cell you selected. You may continue inserting room type labels by continuing to select the desired Excel cell and room type and pressing Insert Room Types. When you have finished inserting room type labels, press the X button in the top right corner to close the dialog box.