In order for the file exchange chrome extension to work, you need to leave your computer on, browser up and running, and remain logged into eBay. If any of those 3 things gets disrupted, then your changes will not be submitted. Also, be sure that you have Auto Update eBay Price and Stock set to Yes, that your Sku Grid account is not on vacation mode and that your items are not paused. If you are still having problems, please create a support ticket and provide your Sku Grid username, example item numbers that you feel are not changed properly, description of the problem and also include the following information in your support ticket: 1. Screenshot of your chrome extension settings 2. Can you go to your file exchange (here's a direct link -- https://bulksell.ebay.com/ws/eBayISAPI.dll?FileExchangeUploadResults&ssPageName=STRK:ME:LNLK ) and take a screenshot of what you see there. 3. Can you look at the Uploaded File column and download all of the files in the Uploaded File Column and attach to your ticket? 4. Can you look at the Load Results Report column and download all of the files in the Load Results Report Column and attach to your ticket?