# Backup Accepted Domains
$AcceptedDomains = Get-AcceptedDomain | ConvertTo-Json
$AcceptedDomains | Set-Content -Path AcceptedDomains.txt
 
# Backup Mailboxes
$Mailboxes = Get-Mailbox | ConvertTo-Json
$Mailboxes | Set-Content -Path Mailboxes.txt
 
# Backup User Information
$Users = Get-User | ConvertTo-Json
$Users | Set-Content -Path Users.txt
 
# Backup Mailbox Permissions
$MailboxPermissions = Get-Mailbox | Get-MailboxPermission | where {$_.user.tostring() -ne "NT AUTHORITY\SELF" -and $_.IsInherited -eq $false} | Select Identity,User,@{Name='Access Rights';Expression={[string]::join(', ', $_.AccessRights)}} | ConvertTo-Json
$MailboxPermissions | Set-Content -Path MailboxPermissions.txt
 
# Backup Mail Contacts
$MailContacts = Get-MailContact | ConvertTo-Json
$MailContacts | Set-Content -Path MailContacts.txt
 
# Backup Distribution Groups
$DistributionGroups = Get-DistributionGroup | Select *, @{label="Members";expression={($_ | Get-DistributionGroupMember).Name}} | ConvertTo-Json
$DistributionGroups | Set-Content -Path DistributionGroups.txt