MP4 attachments accepted by ChatGPT but unavailable to the processing environment

· Community Openai · Sept. 2, 2026, 5:20 a.m.
chatgpt File Attachments user-experience troubleshooting
Summary
The user reports ongoing issues with ChatGPT Pro where the platform cannot access attached files, particularly MP4 and ZIP files, leading to halted work despite attachments appearing normally in conversations.
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