Export Public folders, Permissions, sizes

Add-PSSnapin Microsoft.Exchange.Management.PowerShell.SnapIn
#EXPORT ALL PUBLIC FOLDER PROPERITIES
Get-PublicFolder -Identity '\' -Recurse -ResultSize Unlimited | Select-Object -Property * | Export-Csv -Path PathToFile.csv -Delimiter ';' -Encoding UTF8

#EXPORT ALL PUBLICFOLDERS' PERMISSIONS
Get-PublicFolder -Identity '\' -Recurse -ResultSize Unlimited | Get-PublicFolderClientPermission | Select Identity,FolderName,User,@{name="AccessRights";expression={ [string]::join(",",@($_.accessrights)) }} | Export-Csv -Path C:\PathToFile.csv -Delimiter ';' -Encoding UTF8