You can add this configuration with: "more | envelope | add config for an application". 
-- begin Envelope config --

[Outlook]
# 970629
windowtitle=- Message
header1=+{tab}+{tab}+{tab}^a^c
header2={tab}^a^c{tab}{tab}
copy=^a^c^{home}
paste=^a^v^{home}

-- end Envelope config --