Written for Synergy 3 (v3.7.2), checked 3 October 2026.
Copy and paste between your computers works out of the box: copy text or an image on one computer, move the cursor to another, and paste. To change how it works, go to Copy & paste in the Synergy 3 window. These settings are shared with all your computers.
- Text and image copy and paste: on by default. Turn it off to keep each computer's clipboard to itself.
- Text and image copy and paste size limit: the largest clipboard Synergy 3 passes on, in MB. The default is 4 MB; you can set a whole number from 1 to 1000. Click outside the box to save it.
Large images not pasting?
Raise the size limit above the size of what you're copying. Large images and big limits can slow the connection down, so lower the limit again if the cursor starts to lag. For other causes of lag, see: What to do when the mouse cursor lags?