Maintaining an Internal Private Address 
Private addresses are addresses which are assigned to users. Like the company addresses, these contain address numbers which are used to access the address of a user.
Prerequisites
The following are prerequisites for maintaining a private address:
Procedure
The system displays information about the person and the company address belonging to the internal private address. If you want to see the complete company address, choose Company address.

The company address cannot be maintained here. A new or alternative company address must be assigned in user maintenance.
Users do not need administrator authorization to maintain their own addresses.
When maintaining the address of an office user, this address is transferred to the SAP user when saved.