By Jessie / Last update April 1, 2022

Want Windows to Copy Large Files over Network

"I’d like to transfer some of my videos files, in large size, from my Windows 7 64 bit to another computer which is connected my LED TV. The two machines are in the same segment of LAN, and I guess I could transfer them over network cause I don’t have a suitable external storage to transfer them manually. But the network approach is really slow. Is there any way to do it faster? Thanks.”

Transferring large files from one location to another is unavoidable nowadays when everything is moving towards refinement. Photos become larger because it needs more clearer, and video files become larger because it needs better experience.

The development of network also makes connecting to each device easier. Transferring files from PC to PC or other devices over network is not uncommon is our daily life, includes large files. Nevertheless, users always complain that all kinds of troubles emerge while copying large files via network.

Problems Copying Large Files over Network

Two most common problems of copying large files from network would be operation failed or slow transmission speed. In general, there is several reasons most likely account for the phenomena.

  • Bad network connection. This would be the main reason for copying large files over network slow.

  • 4 GB file limitation. The partition that is formatted with FAT32 file system has the limitation for a single file larger than 4GB. Therefore, you may get Windows 7 copy large files over network fails issue if the destination path is a FAT32 drive. It is suggested to convert FAT32 to NTFS without losing data to solve the problem.

  • File is occupied or corrupted. A damaged file is possibly not recognized by the Windows transfer tool, which results in the entire process hanging and waiting for further instruction.

  • File conflicts. A conflict file appears when multiple versions of files or folders attempt to be copied to a single file or folder.

Absolutely, there should be other problems and corresponding causes in copying large files. But more importantly, it is time to figure out a better way to do the large files copying over network.

How to Copy Large Files over Network in Windows 10/8/7?

To complete the task easily, you’ll need the help of AOMEI Backupper Standard, free yet powerful file sync software. In a nutshell, it will help you sync large files to a network share and then you can access these files from other computers. Here are detailed steps.

Step 1. Create network share folder

Two ways are available for this goal, Command Prompt and File Explorer. To create share in Command Prompt, type net share=:

/remark="" and press Enter. For example, type net share Teresa=c:\data\johndrv /remark="Teresa’s drive" and hit Enter.

To create share in Windows File Explorer, please follow these steps. First, open File Explorer, right click a directory and select “sharing”. Second, click the Sharing tab and select “Shared as”. Finally, enter a description if you like and click OK. You’ll see a path of the share folder in the window. Plus it with the computer’s network ID, eg. \\192.168.XX.XX. Remember it.

Now, make sure the other computer is able to access the share folder. Let’s continue.

Step 2. Sync large files to network share folder

Notice: if the share folder happens to contain all large files you’d like to copy, you can access the folder from other devices and do the copying directly. If not, please move files to the network share folder and try again.

1. Free download, install and run AOMEI Backupper Standard on the computer where you created share folder.

2. Click “Sync” and then “Basic Sync” in AOMEI Backupper.

File Sync

3. Click “Add Folder” to select the folder where the large files stored.

Add Folder

4. Click "Select a network location" to add a network path. Go “NAS/Share” > “Add Network Location” to input the created network shared path.

Add Network Location

5. Preview the operation and click “Start Sync”. Wait for the process to complete.

Tips: to sync files in real time, please upgrade to Professional edition or higher.

Step 3. Access files from anther computer

Set the permission of share folder to “Everyone” and then it can be access to any other computer that is using the same LAN.

Press Windows key + R key to summon Run box. Input the path of the shared folder and you’ll be able to copy files to local disk. Just make sure the destination partition is formatted with NTFS file system.


When you get problems copying large files over network in Windows, you can try a different tool instead of Windows built-in utility. AOMEI Backupper does a great job in syncing all kinds of files. It is also embeds with backup and clone feature to protect Windows or upgrade old hard drives. Go for it and have a try.