I am Dale Hayter, a Microsoft and VMware certified Technical Consultant.

My blog has been built up over the years from my experience of working on an IT helpdesk and also from being out on-site.

Find all users with Office 365 E1 License and Apply E3 via PowerShell

Below is a script that can be used to enumerate all Office 365 users that have an E1 license applied. It will then apply an E3 license to them. Handy if you need to change license type en masse.