Office 365 - Apple Computer - Mail
Part 1: Remove an Account from Apple Mail
1.Open System Settings
With the Mail app closed and quit completely, go to System Settings
(Apple logo in the top-left corner > System Settings).
2.Go to Internet Accounts
In the System Settings window, scroll down and select Internet Accounts.
This will display a list of accounts connected to your Mac.
3.Select the Account to Remove
In the Internet Accounts menu, select the CSHL account.
Once the account is selected, click the Delete Account... button at the bottom.
A pop-up window will ask for confirmation. Click Ok to confirm the removal of the account.
Part 2: Re-Add an Office 365 Account to Apple Mail
1.Add a New Account
At the bottom left of the Internet Accounts window, click the Add Account button (the plus sign +).
2.Select Microsoft Exchange
In the account types list, choose Microsoft Exchange (this is used for Office 365 accounts).
3.Enter Your Office 365 Email
Enter your CSHL email address and click Sign In.
Afterwards when it asks if you’d like to Configure Manually or Sign In, choose Sign In.
4.Authenticate and Login
You will be redirected to the Microsoft login page where you need to enter your CSHL Email and Password.
Afterward, you enter a prompt from DUO in the DUO app on your phone/mobile device.
5.Choose Apps to Sync
Once signed in, you will be asked which apps you want to sync (Mail, Contacts, Calendars, etc.).
Select Mail (and any other apps you want to sync) and click Done.
6.Open Apple Mail
Open the Apple Mail app, and your Office 365 account will now be added and will start syncing your emails and calendar.