SampleMigrationScripts/Set-MailboxTimeZone.ps1
| Get-Mailbox -Filter {RecipientTypeDetails -eq 'UserMailbox'} | Set-MailboxRegionalConfiguration -TimeZone "Pacific Standard Time"�Language en-US |
| Get-Mailbox -Filter {RecipientTypeDetails -eq 'UserMailbox'} | Set-MailboxRegionalConfiguration -TimeZone "Pacific Standard Time"�Language en-US |