If you need to export item data from The Home Depot's Vendor Portal, you can follow these steps:

Step 1 - Login to the Vendor Portal
​https://idmportal.homedepot.com/webui/VendorPortal

Step 2 - Navigate to "Export Item Data" in the left-hand menu

Step 3 - Select "Export All Items"

Step 4 - Select the Items you want to export or select "All" (you may have to export items page by page.
Once checked, select "Export Actions"
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Step 5 - Select "Export Attribute Data" from the drop-down

When you click on the "Start Export" button you will get a pop-up window that will have a link that starts with BGPXXXX.
Select that link and you'll end up in a workspace where you can view your exports.
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​Step 6 - Click on the download arrow icon to start the download of your Excel file.