The default reply method in Office 365 is reply all (which is different to the Outlook desktop client installed on University computers).
This guide will show you how change the setting from 'reply all' to 'reply' in Office 365.
Outlook offers “Auto-Complete” suggestions for recipients in the To, CC and BCC fields when composing a new email. These can be very helpful, however it can sometimes result in errors when you’re composing a new email to multiple recipients or groups with similar...
To access your university email on a mobile device:
Outlook for Android devices
Outlook for iOS devices (iPhone/iPad)