Copy files after the current copy operation is completed I sometimes need to copy a lot of files from here and there to an external drive. What I do is copy some files, paste it in the drive, copy some more files, then paste again etc. But this makes the files copy parallelly which slows down the drive.

Is there a way (maybe a third-party app to install) that would queue the second copy until the first copy operation is completed?
Pathfinder from Cocoatech
It's called Queue file operations or Copy queue:

Open in the menubar Windows -> File Operations (or shortcut: altcmdP) and enable Queue file operations. All file operations (like copy, move etc.) will be queued then.


CopyQueue from Curio Software

You have to define new tasks (New Queue or cmdN) first.
You may save them, if you have to use certain copy operations repeatedly.