Sending Office documents as attachments - Microsoft Community
i using windows 10 office 2016 office 365 user. i wished share document email attachment the office app brought install outlook 2016 though have windows 10 mail & calendar email default. how office use default setting? not see setting! don hi don, it make outlook default program e-mail, contacts, , calendar option turned on in outlook application. here's how check if option enabled: open outlook . on file tab, choose options > general . under start options , select make outlook default program e-mail, contacts, , calendar check box. click ok . after turning off option, attempt if able send attachment using mail via office application. if need further assistance, feel free ask us. Office / Unknown/other / Windows 10 / Office 2016