Changing column width in invoice template

Under setup in AccountRight, select customise forms, then select your timebilling form.
Select the table section and click using the right hand button  
this will show the following option to 'show columns'

You then select the columns width by dragging the column width bar
Add tables to forms
then Save

Hope this is useful

Thankyou so much for this.  Perfect.  I was into that area but was not finding where to actually 'extend' the space.  You explained  beautifully and it is much appreciated