It seems pretty unstable now. Actually it WAS extracted once successfully but afterward it always failed. It’s said that the format of this file is not supported.

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I have a similar problem with .csv and .xlsx files I tried to feed to a newly created Assistant. The files are uploaded, but I can’t save the changes because “file is not supported”

Yeah it occurred to me too! And I tried to upload the file at the assistant chatting window instead, then I met the problem mentioned above.

same here, my .csv can not be recognized in playground, however in chatgpt4, it will report error first, but it will correct it itself.