Emails not in sync hosted Exchange

When I delete an email from my iphone it will delete it from Outlook, but not the other way around.  I have removed the account and re-added etc.  This issue is not happening with 5 other accounts. This is a hosted Exchange setup similar to Office 365.

Outlook 2013
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SeanSystem EngineerCommented:
Try to rebuild the profile on outlook. Sometimes the problem is with the OST file on the local PC not syncing the deletes. You can also see if they show deleted in OWA or not.
Scott CSenior EngineerCommented:
How many mobile devices do you have associated with that account?  Weird things can happen if there are more than 10.

Get-MobileDevice -Mailbox useralias
cnl83Author Commented:
I deleted the profile and resetup the email account. There are only 2 mobile devices setup.
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cnl83Author Commented:
When I check webmail it is not deleting it.
cnl83Author Commented:
Turned Chached Exchange mode off and that fixed it.

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cnl83Author Commented:
Figured it out.
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