On the quote Line Items related list, I cannot see the "Edit All" button, so every I need to click into each individual product to see the margin information. 

Is this functionality no available on mobile? If not available what would be a solution?

Hi,

How to stop transfer of opportunity to another contact if stagename is 'Close Won' or 'Close Lost'. How can I do this ? Pleaase provide a soultion with Apex or process builder.