Why is preview text still showing rom the email in Apple mail Mobile when it shouldn't be?

Hi @Usama Asghar, 

Welcome to the Community! 

Great job already testing and accomplishing this in other devices by following our documentation on preview text in emails and inserting code into a blank text block, which essentially pushes down the HTML of the email so it will not read the content of the email. However, I can definitely understand why that’s frustrating. While, Outlook’s known rendering issues could be the problem here , would you mind replacing the source code of your top text block with this code instead and see if it’s successful? 

<div style="display: none; max-height: 0px; overflow: hidden;">
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Thanks for participating in the Community!

-Taylor