macBook clipboard size

There is no inherent size limit to the clipboard. What is it you're trying to achieve?

Hello rp3600,

Are you wanting to share content between devices using copy & paste? If so, this article explains how to use the Universal Clipboard to do that: Use Universal Clipboard to copy and paste between your Apple devices.

Otherwise, this page gives info on the Mac clipboard: How to copy and paste on Mac. The size of what your clipboard can hold cannot be adjusted, as it's determined by the Mac hardware.

We hope this helps. Let us know if we can assist with anything else at all. Take care.