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SysTools Outlook Duplicate Remover vs lum9a

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

SysTools Outlook Duplicate Remover compared with lum9a
DetailSysTools Outlook Duplicate Remover logo SysTools Outlook Duplicate Removerlum9a logo lum9a
What it doesCertified tool to remove duplicate emails, contacts, calendars, and other Outlook items from PST, OST, and BAK files The cutest to-do list, free forever
StageEstablished Not given
Founded2007 Not given
Based inIN Not given
Pricing modelPaid Freemium
Pricing$49 USD Free plan: unlimited tasks and calendar sync, XP, levels, Glow and world building, streaks, daily gifts, focus sessions and reminders, sync across all devices. Plus Monthly: $1.99 per month, everything in Free plus no ads, Aurora and Halo outfits with new monthly outfit, more study sounds, 2 extra s
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
  • Canvas and Google Calendar sync
  • XP and leveling system
  • Pixel world building with Glow currency
  • 25-minute focus timer with sounds
  • Daily streaks and streak savers
  • Smart phone reminders
  • Friend sharing and world viewing
  • No password sign-in with email
  • Cross-device sync
  • Multiple world locations unlocked by leveling
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
  • Free forever with no credit card required
  • Makes homework engaging through pixel world gamification
  • Automatic Canvas assignment syncing
  • Integrates school and personal tasks in one place
  • Works on any device as a web app
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)69 +1 (up) since last check5 +4 (up) since last check
Trust Flow (Majestic)200
Citation Flow (Majestic)460
Referring domains (Majestic)17481

5 details filled in for both companies.

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