The Deleted Items folder only contains 30 days worth of deleted emails

The Deleted Items folder only contains 30 days worth of deleted emails. I'm losing old deleted emails that I some times need to reference.
I can't figure out how to fix this.  
I have Outlook 2011 and an iPhone.  

My iPhone setting has the "Trash" folder to NEVER empty.

And I can't find anything with Mailing List Manager, Rules or Schedules in Outlook that would make it delete any email older than 30 days.

this is a personal account and shouldn't have anything to do with an Exchange.

Thoughts?

Thanks!
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Question Info
Last updated July 15, 2018 Views 1,176 Applies to:
Answer

It could be a rule set on your Mail server. Did you check the settings on Webmail?
          Corentin

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