Solution: Use the ImportExcel Powershell module from PSGallery. In order to install the module run the following command:
Find-Module -Name ImportExcel | Install-Module
You can also have the module without installing it. Simple copy the module installation folder from a computer on which the module already have been installed (e.g. C:\Program Files\WindowsPowerShell\Modules\ImportExcel\7.0.1).