First, check the type of barcode you are using. There is a limit to the number of symbols some barcodes
display. For example, UPCE only allows eight symbols. To do this, right-click the barcode and select Change Barcode Format, then check the Symbology setting.
Alternatively, it could be that the amount of space allocated
to the barcode is too small. This can be corrected by changing the barcode's
Size Method property. To do this, select the barcode, then from the , select the Size Method to be used. See Appearance properties.