And that’s how you make a single PDF out of several PDF files using various ways on your Windows 11 computer. It’s also possible to combine images into a PDF file if you’d like to do that.

If there are files you’ve downloaded from the web to your phone, these should show up in the file manager searches on Android or iOS.

If the PDF file is on your phone, use a file manager like Google Files or Samsung's preinstalled My Files app to find it. Your phone should have a PDF viewer, typically Google Drive, which we show ...

Here's how to find them. With your PDF document open in Files, swipe rightwards from the left edge of the screen.