My mother-in-law passed away several months ago. When she wrote her book for her her PhD degree I helped her with the many spreadsheets that were needed. I have now inherited all of her old files. The spreadsheets are in Excel 2 format. When I open the security setting in Excel 2016 I see that I can open these old files, but I cannot modify or save them in a more modern format. Is there a way to get around this?
Thanks for any help.