UseSandbox Parameter (Connect-ExcelOnline Cmdlet)
A boolean indicating if you are using a sandbox account. The provider makes requests to the production environment by default.
Syntax
Connect-ExcelOnline -UseSandbox SwitchParameter
Data Type
bool
Default Value
false
Remarks
If you are using a production account, this property can be left blank. If you are using a developer test account, set this to true.