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
Launch Razer Synapse 4.
Select your mouse from the DASHBOARD.
Scroll down to see the MOUSE USE section.
Click the “Left-handed” radio button to set the mouse to left-handed mode.

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
Open Razer Synapse 3.
Select your Razer mouse.

Go to the “CUSTOMIZE” tab.

Scroll down to see the “MOUSE USE” section

Click on the “Left-handed” radio button to set the mouse on Left-handed mode.
The “Right Click” label will move to the "Left Click" button.
