Why is the downloaded excel file showing different data compare to the report?

Hello.

I'd like to step in and help you out, but I need more details regarding the issue. 

What specific report did you export to Excel? Also, were there any changes to the report within QuickBooks when exported? I'd appreciate if you could provide more details about the issue. 

Also, I'd like to ask for any screenshots regarding the difference in data. This way, I'd be able to come up with a solution to fix the issue. 

Looking forward to your reply.