Recent Items is a very useful tool to quicly navigate to the last created / saved / accessed objects in SAP CRM Web UI. The default of number of objects is set to 5. Unfortunately there is not standard customisation to set this. Below link contains the code for a report program with the help of which one will be able to change the default value for all users of a Business Role. (Credits to Gregor Wolf, who wrote this code)
http://wiki.sdn.sap.com/wiki/display/CRM/How+to+set+a+default+value+for+the+number+of+Recent+Objects
Also visit the below link for further information on Recent Items. Thanks to Shaik Shavli for the nice article.
http://wiki.sdn.sap.com/wiki/display/CRM/Recent+items+-+Tips+to+Customize
http://wiki.sdn.sap.com/wiki/display/CRM/How+to+set+a+default+value+for+the+number+of+Recent+Objects
Also visit the below link for further information on Recent Items. Thanks to Shaik Shavli for the nice article.
http://wiki.sdn.sap.com/wiki/display/CRM/Recent+items+-+Tips+to+Customize