What Outlook Duplicate Remover Does
What you can do with Outlook Duplicate Remover: open your files, choose what to convert, and pick an output format.
High-Speed Duplicate Detection for OneDrive & Disk
Scans OneDrive Sync Directories, Local Drives & Network Folders
OneDrive & Local Storage Scanner
SYNC & LOCALScans your OneDrive sync folders, external hard drives, SSDs, and local directories in minutes.
Scans All File Categories
ALL FILE TYPESDetects duplicate photos (RAW, JPG, PNG, HEIC), office documents (PDF, DOCX, XLSX), videos, and archives.
Minimal System Resource Usage
LIGHTWEIGHTPerforms fast background scanning without slowing down your computer or freezing applications.
Content-Based Matching
Compares File Contents, Not Just Names
Byte-for-Byte Content Verification
EXACT MATCHCompares file contents directly, ensuring two files are genuinely identical even if they have different filenames.
Different Files With the Same Name
SAFE SCANFiles are grouped by content, so files that only share a name are not grouped. Review each group before cleaning.
Visual Photo Side-by-Side Preview
PHOTO PREVIEWPreview duplicate photos and documents side-by-side with resolution, size, and date details before cleaning.
Intelligent 1-Click Auto-Selection Rules
Automatically Mark Duplicates by Age, Size, or File Path
One-Click Auto Select Rules
AUTO SELECTQuickly mark older versions, newest files, largest copies, or specific folder paths for removal in one click.
Preserve Original Files Always
PROTECT ORIGINALSmart safety rules ensure at least one original copy of every file is always kept safe.
Custom Folder Priority
PRIORITY PATHSMark master folders as protected so duplicates inside them are not selected for deletion.
Safe Quarantine & Cloud Storage Reclamation
Reclaim Cloud Storage Safely with Temporary Backup Vault
Safe Quarantine Isolation Vault
SAFE BACKUPOptionally move duplicates into a temporary quarantine folder before permanent deletion for complete peace of mind.
Reclaim OneDrive Cloud Storage
SAVE STORAGEFree up gigabytes of precious cloud storage without needing to purchase expensive cloud storage upgrades.
Comprehensive Cleanup Summary
CLEANUP REPORTReview a complete summary showing exact disk space reclaimed, total duplicates removed, and preserved files.
Try Outlook Duplicate Remover
Free trial: scan and preview duplicates. Cleanup requires a paid license.