Office 365: Export Mail Box Size using Powershell
Start PowerShell
Run the following Windows PowerShell command, RUN AS ADMINISTRATOR
$LiveCred = Get-Credential
Windows PowerShell Credential Request window that opens type the credentials of an account in your cloud-based organization When you are finished click OK
Run this Session Connection Uri https://ps.outlook.com/powershell/ Credential
$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://ps.outlook.com/powershell/ -Credential $LiveCred -Authentication Basic -AllowRedirection
This enables cloud-based organizations in datacenters all over the world to connect Windows PowerShell to the cloud-based server
Import the session
Import-PSSession $Session
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SMTP Address Export
Get-Mailbox -ResultSize Unlimited | Select-Object DisplayName,PrimarySmtpAddress | Export-CSV “c:\SmtpAddress.csv”
Put the info in a csv file
Get-mailbox | Get-Mailboxstatistics | select displayname,TotalItemSize | export-csv “c:\yanivmailbox.csv”
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Mail Box Size Including the Item
Get-Mailbox | Get-MailboxStatistics | ft DisplayName,TotalItemSize,ItemCount
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Get the mailbox size using
Get-mailbox | Get-Mailboxstatistics | select displayname,TotalItemSize
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