You can use the grid filters or Advanced Filter to filter out the Listing Products.
Using the Action menu you can manage product settings:
for individual Item.
Submit the required action. In the opened pop-up, make the adjustments, then click Save.
The changes will be reflected in the Listing grid.
eBay Category editing
To edit eBay Category for a Listing Product, please follow the steps below:
Switch to the Settings View Mode.
Select the required Item(s).
Select the Edit All Categories action from the Action menu, then click Submit.
In the opened pop-up, click Edit to update the Categories settings.
You can use the tabs to choose from Recently Used Categories, to Browse a Category list, to Search by the keywords or Category ID or to use a Magento Attribute which contains a valid eBay Category ID. Specify the Category, then click Confirm.
You will get back to the previous screen. Click Continue to proceed with editing Item Specifics.
Define the specifics and click Save. In the Listing grid, you will see the updates:
If you use M2E Pro Simple Mode, navigate to M2E Pro Listing and select the relevant action from the Action menu to edit eBay Category for the Item(s):