> ## Documentation Index
> Fetch the complete documentation index at: https://docs.accassistant.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Invoice Attachments & OCR

> Process invoice attachments with OCR and AI-powered data extraction

AccAssistant uses OCR and AI to automatically extract data from invoice attachments.

## Supported File Types

* PDF (text and scanned)
* Images (JPG, PNG)
* Excel files

## Processing Invoices

### Direct Upload

1. Go to **Invoices** page
2. Click **Upload Invoice**
3. Select file
4. AI extracts data
5. Review and save

### From Email Sync

* Automatic processing of email attachments
* Creates draft invoices for review

## What Gets Extracted

* Invoice number and date
* Vendor name
* Total amount
* Line items

## Review Process

Always review extracted data:

1. Verify vendor
2. Check amounts
3. Confirm dates
4. Edit any errors

## Next Steps

* [Manage email connections](./manage-mailboxes)
* [Configure sync settings](./auto-sync)
* [Set up approval workflow](/review-flow/approval-workflow)