Hi Harry,
Thank you for your interest in Syncfusion products.
If your intension is to collapse all Toolstriptabitems in RibbonControl then you can use the minimize property of the ribboncontrol in the Form load. Please refer to the sample given below:
http://websamples.syncfusion.com/samples/Tools.Windows/RibbonMerge_New.zipKindly let me know if you have any questions.
Regards,
Vinoth