This is how I do a reverse image search from my phone or PC

Dragging an image from your desktop directly into the website's search bar. Copying the URL of an image on the web, then ...
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How to Search for Anything You See on Your Windows Desktop

Microsoft adds Bing Visual Search to the Windows 11 Snipping Tool, allowing you to get information about anything you see on ...

How to find text in PowerPoint on your computer or phone

You can find text in PowerPoint on any version of the software, though the method varies on desktop and mobile.