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mobernberger/exo-message-size.ps1

Last active March 29, 2020 17:57
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With this series of commands you could change the maximum send and receive size in Exchange Online
Raw
exo-message-size.ps1
#Connect to Exchange Online Powershell before running this commands.
#Get the actual value for all Mailbox Plans
Get-MailboxPlan | fl name,maxsendsize,maxreceivesize,isdefault
#Set the the max send and receive size to 50MB
Get-MailboxPlan | Set-MailboxPlan -MaxSendSize [On-Prem value in MB / e.g. 50MB] -MaxReceiveSize [On-Prem value in MB / e.g. 50MB]
#Set the max send and receive size 50MB for existing mailboxes
Get-Mailbox -ResultSize unlimited -Filter {(RecipientTypeDetails -eq 'UserMailbox')} | Set-Mailbox -MaxSendSize 50MB -MaxReceiveSize 50MB
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