13Read-only check
Find duplicate files by content—not by name
Hash files to identify true duplicates, export the groups, and review them manually before considering any removal.
BEFORE
AFTER
01 / Do it yourself
From zero to working.
Read the complete sequence before starting. Use a test account or non-production copy whenever the workflow touches important business data.
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01
STEP 1
Choose one explicit business folder.
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02
STEP 2
Generate SHA256 hashes without modifying files.
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03
STEP 3
Export duplicate groups and compare their locations.
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04
STEP 4
Move approved extras to a recoverable archive first.
02 / Useful starter
PowerShell · read only
Get-ChildItem "C:\Business\Review" -File -Recurse |\n Get-FileHash -Algorithm SHA256 |\n Group-Object Hash | Where-Object Count -gt 1 |\n Select-Object Count, Name, Group03 / Check before you change
Useful guardrails.
✓Detection is not permission to delete
✓Do not scan system folders
✓Keep one authoritative original
✓Confirm backups first
Do it for me
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