Office 365 - Apple Mail Configure (Mac OS X 10.11 - 10.13)

Last Updated: 07/11/2019
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Overview

The following instructions step through the process of configuring your Office 365 Exchange Online account with Apple Mail for Mac OS X 10.11 (El Capitan), macOS 10.12 (Sierra), macOS 10.13 (High Sierra).

Step

Open Apple Mail.

*Note: If this is your first time opening Mail, go to step 3.

Step

From the Mail drop-down menu, select Add Account...

Step

Select Exchange, then click Continue.

Step

Enter a display name for your account in the Name field.

Step

For the Email address field, enter your CULoginName@colorado.edu (not first.last@colorado.edu) address and in the password field, enter your IdentiKey password. Click Continue.

Step

Select the apps you wish to sync, then click Done.

Step

Next, you'll want to add your email alias (e.g. first.last@colorado.edu) to your Account in Apple mail. This will prevent you from receiving your own message when you click reply all in an email message. 

Select the Mail drop down menu, then choose Preferences.

Step

In order to edit Aliases connected to your account, select the Accounts icon from the toolbar and be sure to select the Exchange account if you have more than one account listed. In the Outgoing Mail Server drop-down menu, select None

Step

Click the General icon in the toolbar to open a dialog box that will save changes. 

Step

Click on the Accounts icon again and you'll see the Alias and Email Address fields will no longer be greyed out. in the Email Address text field, enter any other aliases you have separated by commas (e.g. CULoginName@colorado.edu, first.last@colorado.edu, flast@colorado.edu).

Step

Alternatively, you can select the drop down in the Alias field, select Edit Aliases, then use the + and - icons to add or edit email aliases. Click OK when finished to save changes.

Step

In the Outgoing Mail Server drop-down, select Exchange

Step

Again, click the General icon in the toolbar to save changes. Close the preferences window.