Note: Before you try this, backup your data first, i cannot guarantee about the data
To copy a large file into pendrive, first make sure that the drive has sufficient memory and then the following steps are suitable only for Windows 7 or greater operating systems
Step 1:
Right click the device and click "Format"
Step 1:
Right click the device and click "Format"
Step 2:
In this menu select File System as NTFS and click start,
It will format the USB disk with NTFS file system and it will let you copy files greater than 2GBs or so.