I use the "control toolbox" option through the toolbar to insert Shockwave .swf into excel, but after inserting the white box with the black cross through it, I right click, go down to properties, and change the embed movie value to true, but then I need to click the custom value, which should be at the top of the poperties menu, but instead, it just isn't there.

Basically I follow the instructions given in this video below, and you can see from 1:35 onwards he has a custom tab, which doesn't exist in mine.

http://www.youtube.com/watch?v=0-PHxZg-yVo

All I want to do by the end of it is insert flash games into excel, but this one tab being missing is haulting my progress.

Thanks in advance