There is very little pattern to when this problem occurs, as far as I can tell from Googling around. Thirty seconds later, out of nowhere, Excel starts up. People have sniffed with Process Explorer and Task Manager and looked at memory use and there is zero indication that anything is proceeding under the hood.

During the 30-60 second delay, nothing is happening.

All other programs (including Word) are completely normal. If you remember to start Excel first, or if it is already running with another file open, then the clicked file will load immediately.

There is no delay if Excel is already running when you double-click the file.

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

Excel 2019 crashing windows 10