Outlook for Mac 2016 - I have a big message stuck in Outbox - How do I - Microsoft Community
i have large message stuck in outbox prevents send of new emails. in particular version of outlook outbox becomes visible during send. won't send outbox never becomes visible. outlook useless. this on mac. help please. hi djr_810, to clear outbox, recommended try steps below: click the outlook menu> work offline; create test email , try send it. should make outbox visible; click outbox display pending outgoing messages. edit or delete messages large attachments; if can’t delete message, please search subject follow steps above find , remove it. if above don’t work, please provide outlook mac client version details , mac os version details further analysis. best regards, vanessa hi djr_810, to clear outbox, recommended try steps below: click the outlook menu> work offline; create test email , try send it. should make out...