| What it does | Certified tool to remove duplicate emails, contacts, calendars, and other Outlook items from PST, OST, and BAK files
| Clean your Mac without the guesswork
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| Stage | Established
| MVP
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| Founded | 2007
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| Based in | IN
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| Pricing model | Paid
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| Pricing | $49 USD
| US$39 once for three Macs in one household with two years of updates (direct). Mac App Store edition planned at US$39 once with final pricing to follow App Store tiers. First 100 waitlist signups receive free lifetime license including all future versions. 14-day full trial and 30-day refund planned
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| Key features | - Removes duplicate emails, contacts, calendars, tasks, journals and notes
- Works with PST, OST, and BAK file formats
- Operates without requiring Microsoft Outlook installation
- Batch processing of multiple files simultaneously
- Multiple removal actions including permanent delete, move to folder, flag, and mark as expired
- Process duplicates within single folder or across multiple folders
- Advanced duplicate detection based on 14 email properties
- Date range filtering for old and current duplicate data
- Split oversized files from 10 MB to 200 GB
- Preserves folder hierarchy and data integrity during process
| - 103 cleaning categories with four risk levels
- 92 security and privacy checks with one-click fixes
- 300 macOS settings with profiles, snapshots and undo
- Disk analysis with list, treemap, ring and file-kind views
- Duplicate and large-file finder
- Command-line interface with JSON output
- Full-screen terminal dashboard
- iPhone companion over local network
- 67 maintenance tasks including rebuilds and service restarts
- Startup item and launch daemon inspector
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| What makes it different | - Standalone tool that works without installing Microsoft Outlook
- Handles password-protected Outlook files
- Provides multiple removal actions beyond permanent deletion
- Supports all Outlook versions including Outlook 2024
- Can run without administrator privileges
| - All changes listed and confirmed before removal with a test strip showing exact paths and bytes
- Protected system paths refused and user files offered to Trash with regenerable caches deleted in place
- Five rounds of independent security, correctness and performance review with published findings
- Local processing with no analytics, crash reporting or scan result uploads
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 69 ▲ +1 (up) since last check | 11 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 20 | 7 |
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| Citation Flow (Majestic) | 46 | 20 |
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| Referring domains (Majestic) | 1748 | 17 |
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SysTools Outlook Duplicate Remover
Systune