I need to copy columnar data from a Calc spreadsheet into a Writer document.
See the Writer Guide for info on how to insert Calc data.
The part about spreadsheets starts on page 416.
https://wiki.documentfoundation.org/images/0/0d/WG54-WriterGuideLO.pdf#page=416
You probably want to read that entire chapter.
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Hi
Insert a Calc table in a Writer document, which technique to choose? See this video (english subtitles)
Regards