M365 Snippets¶

Exchange¶

Import-Module -Name ExchangeOnlineManagement
Connect-ExchangeOnline -UserPrincipalName name@example.com

Documentation

Mailboxes¶

All Tenant Mailboxes¶

Get-Mailbox -ResultSize Unlimited `
    | % { Get-MailboxStatistics $_.UserPrincipalName `
    | Select DisplayName, ItemCount, TotalItemSize, } `
    | Export-CSV -Path .\export.csv -NoTypeInformation

Additional fields: MailboxTypeDetail, DeletedItemCount, TotalDeletedItemSize

Specific User¶

Get-EXOMailbox -Identity name@example.com `
    | Get-EXOMailboxStatistics

Mailbox Rules¶

Get-InboxRule -Mailbox name@example.com

Get-InboxRule -Mailbox name@example.com | Select * | `
    Export-CSV -Path .\mboxrules.csv -NoTypeInformation`

Calendars¶

View Calendar Permissions¶

Get-MailboxFolderPermission `
    -Identity room@example.com:\Calendar | Format-List

Show Meeting Subject and Remove Organizer¶

Set-CalendarProcessing -Identity "room@example.com" `
    -DeleteSubject $False `
    -AddOrganizerToSubject $False

Teams¶

Get Outbound Dialing Policy¶

Get-CsUserPolicyAssignment -Identity "name@example.com"

Disable Oubound Dialing¶

# Before
Get-CsUserPolicyAssignment -Identity "name@example.com"

Grant-CsDialoutPolicy -Identity "name@example.com" `
    -PolicyName "DialoutCPCDisabledPSTNInternational"

# After
Get-CsUserPolicyAssignment -Identity "name@example.com"