Robocopy (Robust File Copy) is a powerful Windows command-line tool used for fast, reliable, and automated file replication. It excels where basic copy/paste fails.
Its key uses are:
- Mirroring & Syncing: Creating exact copies of folders, including deleting files in the destination that no longer exist in the source (
/MIR). - Resilient Transfers: Automatically retrying and resuming interrupted file transfers over unstable networks (
/Z). - Preserving Data: Correctly copying NTFS permissions, timestamps, and attributes by default (
/COPYALL). - High-Speed Copies: Using multiple threads to copy many files simultaneously, drastically speeding up transfers (
/MT). - Automated Backups: Running scheduled tasks and scripts with detailed logging to track exactly what was copied, skipped, or failed (
/LOG).
In short, Robocopy is used for any serious file copying, syncing, or backup task on Windows where speed, reliability, and control are critical.
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