# Unlocking Maps in Garmin Basecamp [PC]

> *If you skipped the `.gma` file during the initial map installation, you can manually import it to activate the maps.*

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## 1. Download the `.GMA` Unlock Key  

| Source | Where to Find It |
|--------|------------------|
| **From a device** | Insert your microSD card → open the `Garmin` folder on the card → locate the `.gma` file (e.g., `gmapsupp.gma`). |
| **From your account** | Log in to your Backroad MapBooks portal → download the `.gma` file you received during purchase. |

> ![Product page](https://brmb.support/uploads/images/gallery/2025-03/product.png)

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## 2. Launch Basecamp  

1. Start **Garmin Basecamp**.  
2. If Basecamp detects any locked maps, a dialog will appear automatically.  
   * Click **Unlock maps** to begin the process.  
   * Screenshot:  
     ![Locked maps detected](https://brmb.support/uploads/images/gallery/2022-07/lockedmaps.png)

> *If the dialog does not appear:*  
>   *Open the Map Manager manually:*  
>   `Maps` → `Manage Map Products` in the menu.  
>   ![Map manager](https://brmb.support/uploads/images/gallery/2022-07/manage-maps.png)

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## 3. Import the .gma File  

1. In the **Map Product Manager** window, click the **Unlock Regions** tab (top‑left).  
   ![Unlock regions tab](https://brmb.support/uploads/images/gallery/2022-07/unlockregions.png)

2. Click **Import**.  
   * A file‑open dialog appears.  
   * At the bottom right, change the filter from `.ucx` to `.gma`.  
   ![File type filter](https://brmb.support/uploads/images/gallery/2022-07/filetype.png)

3. Navigate to the `.gma` file:  
   * If you keep the key on your microSD card, browse to `E:\Garmin\` (or whichever drive letter your card is assigned).  
   * If you downloaded the key, go to the folder where you saved it.  

   ![Select .gma](https://brmb.support/uploads/images/gallery/2022-07/mD6choose1.png)

4. Select the file and click **Open**.  

5. Verify success – the map entry should now show something like **“Region unlock code from …”** next to its name.  
   ![Unlocked region](https://brmb.support/uploads/images/gallery/2022-07/regionunlock.png)

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## 4. Refresh Basecamp  

* Restart Garmin Basecamp.  
* From the **Maps** menu, choose **Backroadmapbooks** to load the newly unlocked maps.

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## 5. Need More Help?

* **Phone** – 1-877-520-5670  
* **Submit Support Request** – > <https://backroadmapshelp.zendesk.com/hc/en-us/requests/new>   

We’re here to help you get your maps up and running as quickly as possible!