If you receive such a message, even when you know that there is enogh space available for the file, here is what you need to do to successfully copy the file. Recently, while copying a 4.8GB zipped file from my Windows 10 PC to a new 8GB USB drive I received a File Too Large error message. This post will help you if you cannot copy large files over 4GB to USB flash drive or SD card, and you receive a message – File Too Large, The file is too large for the destination file system message when copying a large file.