Add Attachments to an invoice

Attachments can be added to an invoice at any time, regardless of the invoice status, whether it is Pending, Fully Approved, Matched, or Unmatched.

How to add attachments to an invoice

The attachment feature allows you to add supporting files directly to an invoice for easy reference.

Open the invoice
Select the Attachments tab

Attachments can include contracts, receipts, shipping documents, corrected invoices, and other supporting files. There is no restriction based on the invoice status.

In the Manage Attachments window, upload files from your device
Save the attachments to store them with the invoice

Supported file types

You can upload any common file format, such as:

PDF (.pdf)
Excel (.xls, .xlsx)
Word (.doc, .docx)
Images (.jpg, .png,)
Text files (.txt)
ZIP archives (.zip)

Questions or need help?

Our customer support is always available to help with any questions or setup assistance

Contact us

Email: support@digitalpurchaseorder.com

Support: +1 888 DPO 7254

Support Int'l: +44 20 331 88 338

Berlin Office: +49 (0)30 55 572 5956

Or book a personalized support call

We look forward to hearing from you.

Updated on: 29/05/2026

Was this article helpful?

Thank you!