GroggyOtter's Multi_Clipboard for AutoHotkey v2: Add up to 32 extra clipboards, quick view saved contents, customizable display GUI, handles string and binary data, GUI allows grabbing parts of stored data, and more :) :
How to have multiple clipboards in Windows for free [Tip] | dotTech
Copy and paste using the Office Clipboard - Microsoft Support
Multi Clipboard - Download
CopyPaste Pro Mac - #1 Copy Paste Multi Clip Manager | Plum Amazing %
Windows Clipboard History: How to Copy and Paste Multiple Items in Bulk | PCMag