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

# Overview

> Move from the legacy products to the new Flatfile Platform

<Warning>
  **Legacy Documentation**: This documentation is maintained for backward compatibility purposes only. For the latest features and best practices, please refer to the current documentation.
</Warning>

<Warning>
  This area is for v2 and v3 customers of Flatfile looking to upgrade to the new
  Platform.
</Warning>

## Resources

Using a prior version of Flatfile? You've come to the right place. This is your
entry point for upgrading to the new Platform. Find your version, then get
started.

### Portal 3.0

<CardGroup cols={2}>
  <Card title="Upgrading from v3" href="/docs/legacy-docs/upgrade/v3_upgrade" icon="square-up">
    We've compiled a comprehensive guide that highlights both the distinctions
    and resemblances between Portal 3.0 and Platform.
  </Card>

  <Card title="Example Repo" href="https://github.com/FlatFilers/Upgrade-Portal/tree/main/Start-Portal-3/Contacts" icon="github">
    Explore a GitHub repository with code comparisons between Portal 3 and the
    Platform.
  </Card>
</CardGroup>

### Portal 2.0

<CardGroup cols={2}>
  <Card title="Upgrading from v2" href="/docs/legacy-docs/upgrade/v2_upgrade" icon="square-up">
    We've compiled a comprehensive guide that highlights both the distinctions
    and resemblances between Portal 2.0 and Platform.
  </Card>

  <Card title="Example Repo" href="https://github.com/FlatFilers/Upgrade-Portal/tree/main/Start-Portal-2" icon="github">
    Explore a GitHub repository with code comparisons between Portal 2 and the
    Platform.
  </Card>
</CardGroup>