To view PowerShell commands for the mail database free space

Sometimes need to look at the mailbox database idle how much, for example, your storage is almost full, disk expansion is impossible, you can do is to let users to download the mail to the local, and then do a quota of what, and if used O365, can also move up. After tossing it over, you have to confirm the size of your mail database. Just a PowerShell command, remember to do it in Exchange PowerShell.

[PS] C:\windows\system32>get-mailboxdatabase-status | Select-object Server,name,availablenewmailboxspace
?
Server????????????????????????????????? Name???????????????????????? ??????????? Availablenewmailboxspace
------????????????????????????????????? ----??????????????????????????????????? ------------------------

Display will be human reading way, say sentence can let people understand, is human can read the display way, will not show you a large value plus a bytes.

To view PowerShell commands for the mail database free space