Find mail with attachments bigger then 150MB in Exchange On-Premsis

Is there any script I can run to find mail with attachements bigger than 150MB. Need to know before moving the on-premsis Exchange server to O365
HaraldProject operatorAsked:
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IvanSystem EngineerCommented:

i think you can use this command>

Get-Mailbox –ResultSize Unlimited | Search-Mailbox -SearchQuery {HasAttachment -eq $true} AND {Size -gt 150MB} -LogLevel Full


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HaraldProject operatorAuthor Commented:
Will this list only the biggest in each folder, or will it be able to get all mail in each folder bigger than 150MB ?
HaraldProject operatorAuthor Commented:
Thank you Ivan for the answer, much preciated.
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