Google Search is testing adding a paper clip icon to the search bar, next to the voice search icon, next to the lens icon and the search button. This seems to also you to search a file you upload and ...

Google is testing a feature that allows users to upload files via the Search bar and ask questions about the content. A paperclip icon in the Search bar enables users to attach locally stored files, ...

For a while now, it’s been possible to right-click on a file in Windows File Explorer and select the Ask Copilot option, which launches the Copilot app with the file in question as part of the prompt.