Outlook 2010 and lower - IMAP/POP only Outlook 2013 - ActiveSync for now (MAPI coming for SmarterMail 17) Outlook 2016 - ActiveSync for now (MAPI coming for SmarterMail 17)
Outlook for Mac supports EWS as does Apple Mail. eM Client for Windows / Mac also supports EWS.
For anything lower than Outlook 2013 will be IMAP and POP only unfortunately. https://caldavsynchronizer.org/download-2/ is an option to sync calendar and contacts for older Outlook versions.
Trouble logging in? Simply enter your email address in order to reset your password.
A code was sent to the recovery email address. Please provide the 6-digit code.
A code can be retrieved from your authentication app. Please provide the 6-digit code.
An email was sent to your recovery email address. If you need further assistance, please contact your system admin.