Hi, Thanks for your answer. Your outputs looks to be OK. I can give the next example, where you can see my problem: PS C:\SCRIPTS\ps> "*test*" | Get-Mailbox -filter { emailaddresses -like $_ } |select name,emailaddresses |ft -autosize Name EmailAddresses ---- -------------- ELC Test {SMTP:test.elc@skoda.cz, X400:C=us;A= ;P=SKODA;O=Exchange;S=ELC;G=Test;} User Testovaci {X400:C=us;A= ;P=SKODA;O=Exchange;S=User;G=Testovaci;, SMTP:test.user@skoda.cz} Vag Test {SMTP:test.vag@skoda.cz, X400