How to remove inner borders from straight table

[#1]

Hi,

I have straight table in which only 2 columns has inside vertical borders.

how can i remove them?

(it is hard to see but only the two right columns has vertical borders...)

Thanks,

Keren

[Gysbert_Wassenaar · Accepted solution]

In the User Preferences on the Design tab choose "Always Show Design Menu Items". Now if you right click on a cell in the  table you can select "Custom Format Cell" in the menu. You can then make the changes you want. You can select All Dimension under Apply change so alle columns are changed.

[#3]

Thanks alot.

it worked!