I have imported a 20 X 36 portion of a 10MM byte spread sheet to ChatGPT in formats .ods, .xls, and .xlxs. Saving each file takes a lot of time which results in error #8053 (plist problem)
Does LibreOffice/Calc have compatibility with ChatGPT ?
LibreOffice knows nothing of ChatGPT. You have to ask the question the other way round: Wich formats can ChatGPT read and google will find:
What file types are supported?
ChatGPT can analyze data uploaded in a variety of file formats, including::
Excel (.xls / .xlsx)
Comma-separated values (.csv)
PDF (.pdf)
JSON
above text from
https://help.openai.com/en/articles/8437071-data-analysis-with-chatgpt