You can copy a slide in the PowerPoint app or online version, and then paste it somewhere else in the slideshow.

In the case of "I want to make long sentences on PC and want to send to smartphone" or "I want to incorporate text of application that can only be used with smartphone to PC", there is a method of ...

Cloning a hard drive on a Mac is a different process. If you have a newer MacBook or iMac, you can't swap out the hard disk on it. The Apple Silicon-based Macs have the storage soldered in, so there's ...