Big discrepancey between mailbox sixe on server vs local

Tom Hawes 21 Reputation points
2022-01-06T10:31:47.42+00:00

Hi,

I have a user who's local mailbox size is around 2.5GB, but the server size is around 8GB.

They regularly clear old e-mails and archive so I think the local size is correct, and for some reason e-mail aren't being removed from the server data when moved/deleted

any ideas what could be causing this or how I resolve it?

We are on exchange 2016 and working on office 2013, although we will be moving to Office 2016 soon (hopefully next week) so I'm wondering if that my resolve it anyway?

Thanks

Tom

Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
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Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
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Accepted answer
  1. Andy David - MVP 144.2K Reputation points MVP
    2022-01-18T16:19:44.637+00:00

    You could always just delete from the Outlook side:
    166102-image.png

    If that is not an option:
    Use search-mailbox.
    Example:
    Change yours to 24 months
    and use the -EstimateResultOnly switch first to see how much data is being removed

    https://video2.skills-academy.com/en-us/powershell/module/exchange/search-mailbox?view=exchange-ps 

    Search-Mailbox -Identity test@test.comm -SearchQuery "(Received:01/12/2017..$((get-date).AddMonths(-7).ToString("MM/dd/yyy")))" -deletecontet

    https://serverfault.com/questions/1028804/powershell-script-to-delete-emails-from-mailbox-older-than-an-7-month-or-specifi

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  1. Sunil Jaiswal 0 Reputation points
    2024-06-24T10:18:21.4166667+00:00

    I have been facing the same issue whereas the server space was occupied a lot, even after deleting a lot of mails and local space shown a lot of free space available.

    The trick was to go to "Deleted items" folder, Click on recover recent deleted items list. This shows 2 options, recover selected and "purge selected". Click on the purge selected, this will then clean up server space which was created by cleaning up mails.

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