Exports all GPO’s across domains in HTML or XML file.
Import-Module GroupPolicy
# Export to HTML
Get-GPOReport -All -ReportType html -Path C:\GPO\Export\report.html
# Export to XML
Get-GPOReport -All -ReportType xml -Path C:\GPO\Export\report.xml
Note: XML report can be opened in Excel. File -> Open, and choose the XML file. Excel will prompt on how to open the file, choose ‘As an xml table’.