# How do I add additional documents to an invoice?

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How do I add additional documents to an invoice?. If you wish to add additional documents to an invoice to have them be published to Xero or Quickbooks.

If you wish to add additional documents to an invoice to have them be published to Xero or Quickbooks together, click **"+ Add"** above the invoice image and upload files.

![Screenshot 2025-09-22 at 00.51.42.png](https://kb-assets.briefcase.so/support-kb/5872676782/0-1758498758939-Screenshot2025-09-22at00.51.42.png "Screenshot 2025-09-22 at 00.51.42.png")

Our AI will attempt to group relevant documents together in multi-page invoices (e.g. delivery notes or supporting pages of a utility bill).