QuickBooks 2021 Won’t Export to Excel is the one common problematic issue can be arisen when the software is unable to identify the Excel that is installed in the computer. Technical knowledge is generally required to deal with the problem of not being able to export the report or files to excel. Reason QuickBooks 2021 Will Not Export To Excel. Exporting 2021 QuickBooks Will Not to excel does not include much complications but one few rare cases, technical errors may appear. It can either be that QuickBooks crashes when exporting to excel, or QuickBooks 2021 Will Not when exporting to excel. The issue is observed mainly when the user upgrade the QuickBooks software and export to Excel option is either greyed out or is not clickable.