Fix view header problem
Opening files in Excel Mac 365 created with a template using Excel (Mac) 2011, headers are overwritten when I use View->Headers and Footers while viewing in "Normal" mode. Instead of displaying the header contents from the opened file, a blank header is created, erasing the previous header contents. When this happens, the footer is unchanged. If instead, the file is being viewed in "Page Layout" mode, the header is displayed correctly and can be modified. Seems like a bug in the Normal view while operating on some older files.