Can I bulk update passwords using AD Bulk Users? May 21, 2017 Knowledge Base Yes you can, below is an example CSV/Excel file. The Modify column tells the program we are updating existing users. The sAMAccountName is the user to be updated. Any additional columns (in this case password) are those to be updated. AD Bulk Users Related Knowledge Base Posts – How do I add users to multiple groups? How do I update the sAMAcountName? How can I update users using another attribute instead of sAMAccountName (username)