Note the “1” appended to the end of the file name as displayed in the title bar of the Excel file window:Įxcel appends a consecutive digit to the end of the file name when I launch a file nested in the dock Files I have nested in the dock now open up copies when I open them in OS 10.9 MavericksĮver since I updated to Mac OS X Mavericks 10.9 whenever I launch a Microsoft Excel file from the dock, it opens a copy of the file but not the original file.