Man pages matching name email::outlook::message::attachment in section 3pm:

Email::Outlook::Message::Attachment.3pm.en	debian 10 / libemail-outlook-message-perl
Email::Outlook::Message::Attachment.3pm.en	debian 11 / libemail-outlook-message-perl
Email::Outlook::Message::Attachment.3pm.en	debian 12 / libemail-outlook-message-perl