Created attachment 174397 [details] Sample XLSX with scatter chart In Excel one can set the label option "Value From Cells", and select a cell range. This isn't supported in Calc, and thus isn't imported: the individual points have no label in Calc. This bug report is about the XLSX import part, bug 103863 is open on the general feature.
Created attachment 174398 [details] Screenshot in Excel
Created attachment 174404 [details] The example file in Calc and the setting in Excel
See also bug 138436 with a PPTX sample file.
Dennis Francis committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/commit/9d8324524bdcd1244cd6e9d93b063b981d47c9be tdf#143942: oox: import/export labels from <c15:datalabelsRange> It will be available in 7.3.0. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.