This script when run, incrementally backups or updates files from your source to your destination.

Robocopy

The below script is an example on how to mirror from source to destination. Any changes, updates or deletions that occur on the source, will be replicated as required on the destination.

@echo off
cls
echo Performing personal backup
robocopy "P:\Source" "O:\Destination" /mir /e /tee /np

Compression

If you are doing a backup, it would be beneficial to also compress that backup

cls
echo Compressing backup
O:
cd Destination
compact /c /s *

Completion prompt

cls
echo Backup complete
pause