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Support Article

Email banner rendering issue in iOS



An image or banner included in an outgoing email does not render in the iOS Outlook mobile application. The message, 'Tap to Download' displays instead. The same image renders correctly if opened in Office 365 in the Chrome browser.

Error Messages

Not Applicable

Steps to Reproduce


Root Cause

A third-party product issue.
The Outlook application in the iOS by default blocks automatic download of a remote image.


Perform the following local-change:

To allow automatic remote image download in iOS mail or the Outlook application, modify the iPhone settings as below:
  1. Open Settings in the application.
  2. Select 'Mail, Contacts, Calendars.'
  3. Set the 'Load Remote Images' option to ON.

Published August 19, 2019 - Updated December 2, 2021

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