Hi Chris,
“Set-MsolUser” is one of commands included in Microsoft Online Service module for PowerShell, before you run it, you’ll need to configure your PowerShell for Office 365 first. For details, please try the steps below:
- Configure PowerShell for Office 365
- Type in “import-module MSOnline” to import Microsoft Online Service module for PowerShell
- Type in “Connect-MsolService” to connect your account to Office 365
- Then you can run the commands for Office 365, for available cmdlets for Office 365, please refer to: Windows PowerShell cmdlets for Office 365
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