It could be very overwhelming to deal with multiple apps and files at the same time. You shift from one desktop app to the other, make excessive clicks to switch from Outlook email to Photoshop, Chrome to Acrobat Reader, Skype to MS Office files, or Notepad to YouTube, etc.  The continuous switching between apps becomes very annoying. The best way to handle all the apps and tasks simultaneously is to open desktop apps’ windows side by side.

https://smartwindows.app/blog/how-to-view-multiple-apps-side-by-side/