How to switch a Razer mouse to left-handed mode

| Answer ID: 1986
This is a guide on how to change your Razer mouse to left-hand mode using Razer Synapse.

Effective February 3, 2026, Razer Synapse 3 will no longer receive updates or support cloud services. After this date, cloud syncing of configurations across PCs using the same Razer ID will be disabled.

Note: Your installed devices will continue to be configurable in Razer Synapse 3. However, if you uninstall these devices completely, you will need to upgrade to Razer Synapse 4 to continue customization.

Download Razer Synapse 4 and migrate your existing Razer Synapse 3 profiles using the Profile Migration Tool to retain access to your configurations. See How to migrate your Razer Synapse 3 Profile to Razer Synapse 4 for instructions.

You can utilize the "MOUSE USE" feature in Razer Synapse to alternate between left-handed and right-handed modes.

See the step-by-step instructions below on how to set your Razer mouse to left-handed mode.

Choose an option

Razer Synapse 4

  1. Launch Razer Synapse 4.

  2. Select your mouse from the DASHBOARD.

  3. Scroll down to see the MOUSE USE section.

  4. Click the “Left-handed” radio button to set the mouse to left-handed mode.

    Razer Synapse Left handed mouse option

    Note: If this section does not appear in Razer Synapse, it indicates that your device does not support this feature.

    Your mouse will apply your chosen mode immediately.

Razer Synapse 3

  1. Open Razer Synapse 3.

  2. Select your Razer mouse.

    Razer Synapse 3 Dashboard

  3. Go to the “CUSTOMIZE” tab.

    Razer Synapse 3 Customize

  4. Scroll down to see the “MOUSE USE” section

    Razer Synapse 3 Mouse Use under Customize tab

  5. Click on the “Left-handed” radio button to set the mouse on Left-handed mode.

  6. The “Right Click” label will move to the "Left Click" button.

    Razer Synapse 3 Mouse Use

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