Description from extension meta
Cut, copy, and paste from the right-click menu and ribbon in Office on the web.
Image from store
Description from store
Installing this free extension enables you to cut, copy, and paste via right-click menus and the ribbon toolbar when using Office on the web.
Due to limitations of web browsers, copying and pasting in Microsoft Office for the web through menus requires additional permissions which are provided through this extension.
The extension has been updated to version manifest v3.
Version manifest v2 (old)
https://chromewebstore.google.com/detail/office-enable-copy-and-pa/ifbmcpbgkhlpfcodhjhdbllhiaomkdej?hl=en