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](https://docs.msgfiler.com/support/msgfiler-4).
## Documentation
* [Download MsgFiler Classic](https://docs.msgfiler.com/support/plugin/download)
* [Installing the Classic Plug-In](https://docs.msgfiler.com/support/plugin/install)
* [Removing the Classic Plug-In](https://docs.msgfiler.com/support/plugin/uninstall)
* [Migrating from the Plug-In to the MsgFiler 3](https://docs.msgfiler.com/support/plugin/migrating)
* [Purchasing MsgFiler Classic](https://docs.msgfiler.com/support/plugin/buy)
* [Troubleshooting](https://docs.msgfiler.com/support/plugin/troubleshooting-classic)
* [Version History](https://docs.msgfiler.com/support/plugin/version-history)
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