# Installing the Classic Plug-In

MsgFiler is an Apple Mail Plug-In. To install and configure MsgFiler, follow these instructions:

1. Quit the **Mail** application.
2. Go to the **Finder**
3. Hold the **Option** key and click on the Go menu
4. Choose **Library**
5. Navigate to the **Mail** directory in the **Library** directory
6. Drag **MsgFilerPlugIn.mailbundle** to Bundles folder in the Mail directory. Create the **Bundles** folder if it does not already exist.
7. If you have never used or installed a Mail plug-in like MsgFiler Classic, you will need to run the following commands in the **Terminal** application:\
   If you are using macOS 10.14 or higher, paste and press enter:

```
sudo defaults write "/Library/Preferences/com.apple.mail" EnableBundles 1
defaults write com.apple.mail EnableBundles -bool true
defaults write com.apple.mail BundleCompatibilityVersion 4
```

{% hint style="danger" %}
You will have to enter your Administrator password after the first command.
{% endhint %}

If you are using OS X 10.7 or higher, paste and press enter:

```
defaults write com.apple.mail EnableBundles -bool true
defaults write com.apple.mail BundleCompatibilityVersion 4
```

If you are using OS X 10.6/Snow Leopard, paste and press enter:

```
defaults write com.apple.mail EnableBundles -bool true
defaults write com.apple.mail BundleCompatibilityVersion 3
```

8. Launch **Mail**.
9. If you are using **macOS 10.14 Mojave or higher**, open Mail Preferences
   1. Click **Manage Plug-Ins.**
   2. Ensure that **MsgFiler Engine** is checked.
   3. Click **Apply and Restart Mail.**

## Setting a Keyboard Equivalent for MsgFiler

Next you will create a custom keyboard shortcut to activate MsgFiler in the Mail application.

1. Choose **System Preferences…** from the Apple menu.
2. Click **Keyboard & Mouse.**
3. Click **Keyboard Shortcuts** tab.
4. Click the **+** icon.
5. In the sheet that appears, choose **Mail** from the **Application** menu
6. Enter **Move with MsgFiler** in the **Menu Title** field.
7. Enter the keyboard shortcut of your choice in the **Keyboard Shortcut** field. For instance, **Command-9.**
8. Click **Add.**

MsgFiler is now ready for use! You can open MsgFiler via the Message menu or by typing **Command-9** on the keyboard while in the Mail application.\ <br>

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