This wikiHow teaches you how to add another email account to the Outlook application on an iPhone or iPad.
Steps
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Step 1. Open Outlook on your device
The icon is represented by a white envelope containing a sheet of paper on a blue background. It is usually found on the Home screen.
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Step 2. Tap ≡ in the upper left corner of the screen
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Step 3. Tap the envelope icon flanked by the "+" symbol
It is located in the upper left corner of the menu.
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Step 4. Type the email address you want to add
You can add accounts from almost any email service, including Gmail.
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Step 5. Tap Add Account
A login screen will appear.
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Step 6. Log into your email account
The steps vary by account.
For example, if you have entered a Gmail account, the Google login screen will open, where you will need to log in
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Step 7. Grant all necessary permissions
This varies by account. If prompted, tap "Allow" or any other button that asks you to authorize Outlook to access the server. Once the process is complete, the new email account will be added.