Logging On to a System 
You have installed Interactive Excel and have set up a connection to an SAP ERP backend system on which Enterprise Controlling Consolidation (EC-CS) or Business Consolidation (SEM-BCS) is installed.
For information about connection Interactive Excel to a database of an SAP system, see Interactive Database Connection.
For EC-CS only: You can also connect Interactive Excel to an offline data entry database in Microsoft Access.
Open the SAPExcelWorkbook.xltm file from the Windows Start menu by selecting .
Microsoft Excel opens.
Enable the SAP Interactive Excel add-in.
On the SAP Interactive Excel tab, click Logon.
The SAP Logon dialog box opens.
Create a new logon entry by doing one of the following:
To connect to an SAP ERP backend system, click the New SAP System toolbar button.
To connect to a Microsoft Access database with offline data entry for EC-CS, click MS Access Logon.
On the User Name and Settings tabs, configure the logon customizing manually to enable access to the backend systems.
You can apply the settings from the standard SAP Logon entry if it is available.
If Secure Network Communications (SNC) is active in your landscape, select Activate Secure Network Communication and enter identification string instead of your user credentials.
If the connection to an SAP system or a Microsoft Access database is correctly defined and you have logged on successfully, the connection parameters are stored and appear on the logon overview screen the next time you log on.
You can change previously defined connection parameters, for example, your user name, by clicking Change. You can delete existing connections by clicking Delete.