+\- \fBspruce\fP Spruce address book
+.br
+\- \fBwl\fP Wanderlust address book
+.br
+\- \fBbsdcal\fP BSD calendar
+.br
+\- \fBcustom\fP Custom output format, see below
+.TP
+\fB\-\-outformatstr\fP \fI<string>\fR
+Only used if \fB\-\-mutt\-query\fP \fIor\fR \fB\-\-convert\fP is specified \fIand\fR \fB\-\-outformat\fP=\fIcustom\fR. \fI<string>\fR is a format string allowing placeholders.