> For the complete documentation index, see [llms.txt](https://docs.msgfiler.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.msgfiler.com/support/plugin.md).

# Support for MsgFiler Classic

<figure><img src="/files/BrPyY0hs5h7vWgQiNXqs" alt=""><figcaption><p>The Original MsgFiler Mail Plug-In</p></figcaption></figure>

This page describes **MsgFiler Classic**, also known as the **Original MsgFiler Mail Plug-In**. If you are looking for MsgFiler 3, which works with the MsgFiler Engine Plug-In, [click here](https://msgfiler.com/about/).

## System Requirements

MsgFiler Classic runs on Mac operating systems Tiger (10.4) to and including Ventura (13.0).

If you are running macOS Ventura, Sonoma or higher, learn more about [MsgFiler 4](/support/msgfiler-4.md).

## Documentation

* [Download MsgFiler Classic](/support/plugin/download.md)
* [Installing the Classic Plug-In](/support/plugin/install.md)
* [Removing the Classic Plug-In](/support/plugin/uninstall.md)
* [Migrating from the Plug-In to the MsgFiler 3](/support/plugin/migrating.md)
* [Purchasing MsgFiler Classic](/support/plugin/buy.md)
* [Troubleshooting](/support/plugin/troubleshooting-classic.md)
* [Version History](/support/plugin/version-history.md)