To change your return address, choose <switchinline select="sys"><caseinline select="MAC"><emph>%PRODUCTNAME - Preferences</emph></caseinline><defaultinline><emph>Tools - Options</emph></defaultinline></switchinline><emph> - </emph><link href="text/shared/optionen/01010100.xhp"><emph>%PRODUCTNAME</emph></link>, and then click on the <emph>User Data</emph> tab.