After SAP still doesn't provide a native button in Analysis for Office 2.2 SP2 to log off from a system, I decided to make a short instruction from my article "Analysis for Office 2.1 Logoff via VBA". Have fun.
If you have developed your own extension with the SAP Design Studio SDK and want to publish this extension on the BI Platform, you have to click on Help >> Platform Extensions.
Now you see the following screen.