Here is a simple script you get information for evaluating your exchange accounts.
This script will return a csv of all the emails, display names, and LastLogonTime on your databases.
Get-Mailbox -ResultSize Unlimited |
Select-Object DisplayName,
SamAccountName,
PrimarySmtpAddress,
@{label=”LastLogonTime”;expression={(Get-MailboxStatistics $_).LastLogonTime}},IssueWarningQuota, ProhibitSendQuota | Export-Csv “c:\filelocation.csv” -NoTypeInformation
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