I need to download a report of all purchases till date but the amount it need to be before including Taxes

I completely agree with you that this report should be available, armani-kros-chek.

With this, I'd recommend sending a feature request directly to our Product Development team. This helps us improves your experience with the program. 

Here's how:

1. Go to the Gear menu and then select Feedback.
2. Type in your feature request in the description box.
3. Once done, click on Next.

Also, you can track feature requests through the Customer Feedback for QuickBooks Online website.

Additionally, I've added these articles that'll help you learn more about running and personalising reports in QuickBooks Online.

• Use reports to see your sales and inventory status
• Customise reports in QuickBooks Online
• Memorise reports in QuickBooks Online

I'm only a few clicks away if you need assistance running and personalising reports in QuickBooks, armani-kros-chek. It's always my pleasure to help you out again.