Hi @Eve Harris ,
please try Get-ADUser
: https://learn.microsoft.com/en-us/powershell/module/activedirectory/get-aduser?view=windowsserver2022-ps
# Get all AD Users
Get-ADUser -Filter * -Properties Department | Select-Object GivenName, SurName, Department
# Get user by SamAccountName
Get-ADUser -Identity mmouse -Properties Department | Select-Object GivenName, SurName, Department
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Regards
Andreas Baumgarten