Copy a single file using robocopy

Copy a single file using robocopy from a local folder to a shared folder on the network.

A simple rule of thumb before any disaster strike, don't interchange the source and the destination.

If source and destination is mistakenly reverse, files might get overwritten. To avoid any loss of data do a test with a dummy file to ensure things work perfectly.

Robocopy [source]   [destination]   [file to be copied]

robocopy c:\local_c_folder  \\PC_network\shared_folder   file_to_be_copied_xx.txt

The command will be completed successfully provided the network access right has no issues.

Robocopy works quite good on large files. A simple copy or xcopy command will also work but the speed might vary.

However, if the file (ex. an ISO file) and is more than 4GB and the filesystem  of the thumbdrive or the storage is FAT system, then robocopy or any methods of copying will not work. Since FAT has a file size limitation of less than 3GB.

Robocopy is free it can be accessed from command line. No need to install the resource kit tool if the operating system is Windows 7 or newer version.

Copy files with selected file extension using PowerShell and Robocopy:

$extension = ('.pdf', '.jpg', '.txt')
gci d:\WorkFolder $_ | Where-Object {
  $extension -contains $_.Extension
 } | % { robocopy /s d:\WorkFolder d:\xtra_copy $_.Name }


Source: D:\WorkFolder
Destination: D:\xtra_copy

Change the source and destination to your own path. Please make sure that paths are not reversed or interchanged.

If paths are swap there is a high risk of data corruption or loss of data.

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