Microsoft Excel 2019 files have a default extension of___________?A. .XlsxB. .XlsC. .excelD. .123 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Website Label {} [+] Name* Email* Website 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments