Office 365 - Apple Mail Configure (Mac OS X 10.9 - 10.10)

Last Updated: 08/09/2018
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The following instructions step through the process of configuring your Office 365 Exchange Online account with Apple Mail for Mac OS X 10.9 - 10.10.

Step 1

Open Apple Mail.

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

Step 2

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

Step 3

Select Exchange, then click Continue.

Step 4

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

Step 5

For the Email address field, enter your address and in the password field, enter your IdentiKey password . Click Continue.

Step 6

Apple Mail will produce an error. Select Continue on the error.

Step 7

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

Step 8

Next, you'll want to add your email alias (e.g. 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 9

Select Accounts icon from the toolbar, if you have more than one account listed, be sure to select the Exchange account, then in the Outgoing Mail Server drop-down menu, select None

Step 10

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

Step 11

Again in the Accounts section, select the Alias drop-down and choose Edit Aliases

Step 12

Click the + sign to add a new alias and type into the text box (e.g. Select OK when finished.

Step 13

In the Outgoing Mail Server drop-down menu, select Exchange. Click the General icon in the toolbar to save changes, then close the preferences window.