Outlook iOS App - 30 Days Sync and search for older Messages

Albrecht M 25 Reputation points
2023-05-25T11:53:56.61+00:00

Hello,

we running Exchange Servers on Premise. We are considering to move those to Hybrid.

Now with Exchange on Premise, we are not able to sync more 30 Days of E-Mails in the Outlook iOS App.

Is this possible if we move to Hybrid?

If not, is it possible to search for older Messages in Hybrid?

Kind regards,

Albrecht

Outlook | Windows | Classic Outlook for Windows | For business
Exchange | Hybrid management
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  1. Yuki Sun-MSFT 41,376 Reputation points Moderator
    2023-05-26T04:11:21.6333333+00:00

    Hi @Albrecht M

    Looks like it has changed now.

    For Exchange Online, the output of Get-MailboxDeviceMailboxPolicy shows that by default, all mail items can be synchronized to the mobile device:
    User's image

    And this document only mentions about the maximum of 1000 items per folder, while it doesn't say anything about the 30 days limit.

    I've also checked my Exchange Online account in Outlook for Android and for iOS and can see ALL mails on both ends.

    User's image

    Sorry that I don't have an Exchange on-prem account to check it the same applies to Exchange om-prem as well, but I'd recommend running the command below in your on-prem environment to check the value of "MaxEmailAgeFilter":

    Get-MobileDeviceMailboxPolicy | fl *EmailAge*
    
    

    If it's already shows "All" but you still cannot see older mails on mobile devices, you can move to hybrid and based on the aforementioned information, there will be no issue when mailboxes are moved to Exchange Online.


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  1. Andy David - MVP 157.8K Reputation points MVP Volunteer Moderator
    2023-05-25T11:58:46.2633333+00:00

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