File too Large?

WD External Drives WD Portable Drives
1

I don’t understand why…i can’t copy my MKV file to my passport essential 500GB (is too large for destination file system)

2

What’s the size of the file and was System File format is using the drive?

3

MKV file 5GB that file is HD film how to fix that problem??.

4

Is the file system FAT?? If so, the maximum file size is 4Gb.  Format drive and set file system as NTFS.  That should sort it out.