However, this does not really fix the issue. A better way to overcome the situation is by choosing an effective method to improve the transfer progress. It is annoying when you find that your USB drive is transferring at slow speeds. What causes this slowdown and what can you do to get it back to normal? Why Mac is Slow When Copying Files in Big Sur We have heard reports of this problem occurring when transferring files from an external drive or USB to your Mac. This issue happens when the user is trying to copy any type of file with varying sizes. There are also instances when the copying got stuck and macOS freezes. Most of the time, the copying process takes more than an hour, which should only take minutes. In fact, this problem has been observed in the previous versions of Mac’s operating system. Most of the reports right now involved Big Sur users, but this does not mean that the issue is unique to macOS 11. About Outbyte, uninstall instructions, EULA, Privacy Policy. There are also complaints that Big Sur slowed down Mac when copying files, even though there are no other apps or processes running in the background. This is true for users who have upgraded to the latest macOS. However, a lot of users reported that Mac is slow when copying files in Big Sur. Copying files is a pretty straightforward process and it seldom causes problems with macOS. Copying files should also not affect your Mac’s general performance. When the file transfer takes up more than 10 minutes of your time, then there is something wrong somewhere. Regular file transfers can be completed in a few seconds, while larger files might take a minute or two. All you need to do is drag the files that need to be copied to the destination folder and Finder will do the rest. Finder has been designed to make file transfers as smooth and as seamless as possible. Generally, copying files on your Mac should be a breeze. Is it taking you a long time to copy files from your Mac to your USB flash drive or external? Are you having trouble copying photos from your SD card to your Mac? Or did you notice that Big Sur slowed down Mac when copying files?

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