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Unable to move or copy large folders from external hard drive to external hard drive.


If you are unable to move or copy large folders from one external hard drive to another external hard drive, this post will help resolve the issue. Moving a large file or huge folder is not uncommon. Most users do this all the time, including moving their photo collection, movies, and making a backup. However, copying sometimes fails and this is a big problem because you have to do it over and over again as there is no option to resume.

Why doesn’t the large copy work?

Every time a copy or move process starts, it reserves some of the storage and RAM. It is used to temporarily copy files from a source to a destination. The copy may fail if you don’t have enough space or memory in the destination for large files due to lack of temporary storage.

Things get more complicated when copying files between two external hard drives or SSDs. It may also happen that although the copy may appear as completed, the files may be corrupted or the process will create folders with no files inside them.

Unable to move or copy large folders from external hard drive to external hard drive.

Here are a few solutions that should work and help you move or copy large folders between external drives.

  1. Copy to your hard drive or temporary storage first
  2. Try Copy Software
  3. Free up space on your hard drive
  4. Create clone

Check out these solutions and try them out. You will need to figure out what will work for you. However, you should be aware that there is no error checking when copying from one hard drive to another. So bugs can and will develop.

The file is too large to copy to an external hard drive

1]First copy to PC or temporary storage

One way to solve the problem is to copy it to another hard drive that has enough space. If you are low on space on your primary PC and not enough space for temporary storage on your target storage, you need to create space on your PC. This is the chicken egg problem; the only way to solve this problem is to have enough space on your computer or change the storage.

2]Try Copy Software

The Windows copy process is known to be inefficient when it comes to transferring large files. Instead, you can use third-party software such as Robocopy, which transfers files in small chunks. It can work with available space, providing an efficient and less error-prone copy process. Check out the list of third-party copy software.

Applications such as TeraCopy, Robocopy and others are some of the best programs for copying large files from one storage device to another.

3]Create space on your hard drive

Unable to move or copy large folders from external hard drive to external hard drive.In the next method, you need to create space on the target driver. Check the list of files on the disk and call if you want to remove what is not required. Sometimes we keep adding data and it stays there to never be rechecked. If this is the case, then you can remove everything that is not needed.

While using a different drive is the best option, you may not get it right away, and getting data on the drive is essential. In this case, deleting old data in storage is the only option.

4]Create clone

The best way is to create a clone of what you want to copy. However, this method is only applicable if a problem occurs, even if there is enough space on the hard drive and PC. This is an effective method when you are moving data from one drive to another and instead of copying everything one by one, you can clone it.

Create a system image backup

Most OEMs offer software for their drives that can easily clone one drive to another. You can use third party disk cloning software if you don’t have one.


Windows can be tricky no matter how much power you have on your computer; when it comes to large sizes or a large number of files. You need to make sure you have enough space and you may also need to use other apps to do this.

I hope the post was easy to follow and you were able to solve the problem that you were unable to move or copy large folders from an external hard drive to an external hard drive.

Is there a file size limit for copy and paste?

There is no documented limit on the amount of data you can copy and paste elsewhere. Therefore, even if you use Explorer to copy many files, there should be no problems. However, if it fails, the issue might be related to the hardware, the amount of RAM, and the processing speed of the disks.

How to fix what is not copied?

Check if you have permission, storage space, and any program that might interfere with the copy process. If you are a PC administrator, you can manually add yourself to a folder or file as one of the owners. If it’s storage space, you’ll need to create more and close the interfering program for the copy to succeed.

Why can’t I copy large files over 4 GB to a USB flash drive?

If your USB drive is formatted as FAT32 then that is the reason. Files larger than 4 GB cannot be stored on a FAT32 volume. It would be better if you format the drive to exFAT or NTFS to fix this issue. While the former makes it compatible with Windows and macOS, the latter only works with Windows.

Why doesn’t C and V control work?

There is no clear solution for this, except that you need to restart your computer. This feature cannot be limited by Windows, group policies, or registry changes. This is a glitch that can only be fixed by restarting the computer. Be sure to save all files before restarting your PC.

How to fix an error when trying to copy a file from memory?

You can start by closing applications running in the foreground and then restarting your PC. This usually happens when physical RAM and swap memory are full, resulting in out-of-memory errors.

Can't move or copy large folders

Above You cannot move or copy large folders from an external hard drive to an external hard drive. I hope this article contains useful information for you. We’d love to hear your suggestions and questions, so get in touch. or leave us a comment.

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