ChatGPT File Upload Not Working? Fix It in This Order
You select a file, but nothing appears in the chat. Perhaps the attachment button does not respond, the upload shows an endless spinner, or ChatGPT displays “Upload failed” without explaining the cause. The fastest solution is not to keep uploading the same file . Test one small, supported file in a new chat. The result will tell you whether the problem follows one file, every file, your browser, your network, or your account and the ChatGPT service. A file upload can fail because of the file, browser, network, account, or service. 💡 Quick Answer Only one file fails: Check that file. Every file fails: Check ChatGPT, your browser, account, and network. It works in an incognito window: Check browser extensions and site data. It works on another network: Check your VPN, proxy, firewall, or Wi-Fi. It fails on every device: Check OpenAI Status and your upload allowance. Match the Symptom to the Best First Test “ChatGPT file ...