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How to sync two folders on Windows

Review source and target changes before you copy anything on Windows.

June 13, 2026 · FileLever Team

Syncing two folders safely starts with visibility. FileLever’s preview-first workflow is designed for people who want to understand new, changed, unchanged, and target-only files before a sync run touches anything.

For Windows users, the practical decision is usually whether you want copy/update mode or mirror mode. Copy/update preserves extra files that already exist in the target. Mirror mode is stricter and can remove target-only files after confirmation.

Use FileLever when you need:

  • a clear preview of what will change
  • safer folder comparison than a blind copy job
  • a local-first desktop workflow without forced accounts

Try FileLever, a modern local-first file sync, compare, cleanup, and duplicate detection app for Windows, macOS, and Linux.