Hi there, @Ahmed12. I'll guide you about getting an application that suits your business in QuickBooks Online (QBO).
In the Community, we're unable to provide what specific application to integrate with QuickBooks for uploading documents. That said, I recommend you check out our QuickBooks App Store to see available applications. Aside from going through our app store website, you can also look for one within your company file. Here's how:
Then, follow the on-screen instructions to connect this app to your QBO. For further guidelines with the integration, you may reach out to third-party app support.
Feel free to post them here if you need further assistance managing your files. The Community is available 24/7 to help. Stay safe!
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