If you're looking to enable Quickbooks Export to excel not working follow these simple steps:

• Update QuickBooks: Ensure you have the latest version to access the latest features and bug fixes.
  
• Verify Excel Installation: Make sure Microsoft Excel is installed on your computer.
  
• Set Excel as Default: Set Excel as the default program for opening .xlsx files.
  
• Repair QuickBooks: If the issue persists, repair your QuickBooks installation through the Control Panel.
  
• Adjust Export Preferences: Go to Edit > Preferences > Reports & Graphs, and check "Excel" in the 'Default Excel' section.
  
• Configure Security Settings: Review security settings to ensure QuickBooks and Excel have the necessary permissions.
  

• Perform a Test Export: Try exporting a simple report or transaction to check if it works smoothly.
  
• Contact QuickBooks Support: If you still encounter issues, don't hesitate to reach out to QuickBooks support for personalized assistance