If you have Outlook for Mac, you can use it to access your Exchange account. See Add an email account to Outlook for instructions. Set up Exchange account access using Mac OS X 10.10 or later. If you're running Mac OS X version 10.10 or later, follow these steps to set up an Exchange email account: Open Mail, and then do one of the following. Looks like the latest version of Mac Mail on Sierra doesn't work with Exchange 2016. It works fine with our Exchange 2013 server. I am getting Unable to Verify account name or password. Outlook 2016 for Mac works fine and all windows clients are working fine so it seems to be a Mac Mail issue. Hi You may follow this below article for a work around to. Xilisoft download youtube video for mac os.
Mail User Guide
Mac Mail Clients For Exchange Outlook
When an email account is offline, a lightning bolt icon appears at the end of the Favorites bar, just below the search field. The icon also appears next to the account’s mailboxes in the Mail sidebar.
Microsoft Exchange Client
In the Mail app on your Mac, do one of the following:
Take all accounts online: Click the lightning bolt icon or choose Mailbox > Take All Accounts Online.
Take a specific account online (if you have more than one account): Click the lightning bolt icon next to the account’s mailbox, or choose Mailbox > Online Status > Take [account] Online.
If you can’t take an account online, make sure you’re connected to the internet. If a warning icon appears next to the account name, click it to open Connection Doctor. Learn more about using Connection Doctor.
Mac Mail Client Exchange Not Syncing
Some mailbox names can appear dimmed if you don’t have permission to access them, such as public mailboxes on a mail server.