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Hi there, @jlkatt.
You'll want to export your invoice to MS Excel from your company A and import it to your company B. let me guide you how.
In your QuickBooks Online (QBO) company A account:
I got you this article that you can check for more details: Export your reports to Excel from QuickBooks Online.
Once done, log in to your QBO company B and import the data. Here's how.
Here's an article you can read for more details: Import multiple invoices at once.
Then, in case you want to customize your report to show the data you need, you read this article for the detailed steps: Customize reports in QuickBooks Online.
Please know you're always welcome to post here anytime you have other concerns. We're always around to help. Keep safe!