Created attachment 33872 [details] shows correct localisation in excel, while same corrupts the file in MS Word Localisation when applied in charts in MS word corrupts the file. WHile the same things works properly with ppt and excel. Also Hindi Localisation in MS Word is giving Boxes.
Please attach the Word document as well. There are differences between how Word and Excel use the chart part. Particularly in how the chart data is referenced. Look at the Open Office XML 1st edition Part 1: Fundamentals, December 2006 p. 125 lines 8-17. I can't tell what the issue is without the word document. I suspect that you are generating much of the XML yourself using the CT classes since the Word API (and charts) is incomplete.
With recent code changes, BarChartExample creates a bar chart using diverse scripts that can be opened as well in MS Word as in LibreOffice. I used the data from https://www.ethnologue.com/statistics/size for number of countries and speakers, as well as https://www.omniglot.com/language/names.htm for the name of the languages in the proper language. resolved by r1842687