
There are some strange things about what happens. XLSX spreadsheet file is followed by a 30-60 second delay before the Excel logo appears and the spreadsheet loads normally. On some computers, double-clicking to open a. It happens on Windows 10 computers running Excel 2013 or Excel 2016.

This bug only affects a small number of people, but it’s an interesting one because it’s been a problem for almost a year and there’s still no clear understanding of what’s going on. Followup 07/2017: A Possible Fix For The Excel Slow File Opening Bug
