Export a list of your network's ad units to a spreadsheet, by following the steps below:
- Sign in to Google Ad Manager.
- Click Inventory Ad units.
- (optional) Click Add new filter to narrow down the results by ad unit hierarchy, size, status, and more.
- Click Download.
A spreadsheet in CSV format is automatically downloaded, containing the ad units being filtered. If you don't apply any filters, the spreadsheet will contain all un-archived ad units.