Hello,nany solution for the problem!nI am also experiencing similar problem with excel. I have ansys 2020 R1 and excel is also updated and activated as mentioned by Rob. I have excel 2016 home and student if it matters. nmicrosoft excel is also missing from the component systems in ansys workbench and the data(excel workbook format) exported by ansys is also flagged as my be currupted because the file format and extension don't match by excel 2016 but it opens if selected ok, but it pops up every time when the file is opened.nthanks n