AI · alternatives · 2026

24 alternatives to Sysinfo Outlook Duplicate Remover

No file-size restriction on PST files.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Sysinfo Outlook Duplicate Remover launched in 2022; newer entries below may have overtaken it.

1. 1
   Outlook PST Duplicate Remover▲2

   Effortlessly Remove Duplicate Items from the PST Files

   2024 · aryson.in · its alternatives →

2. 2
   MCT PST Duplicate Email Remover▲6

   Remove Outlook Duplicates Instantly with Smart Precision

   2025 · its alternatives →

3. 3
   CubexSoft Outlook Duplicate Remover▲1

   Top-rated software to remove duplicate Outlook PST Files

   2023 · cubexsoft.com · its alternatives →

4. 4
   SysInfoTools Pvt. Ltd

   Delete Duplicate Contacts in Outlook Secure and Risk-Free

   2024 · sysinfotools.com · its alternatives →

5. 5
   Regain Outlook PST Merger▲71

   Combine multiple PST files into one PST file

   2023 · regainsoftware.com · its alternatives →

6. 6
   Aryson Outlook Duplicate Remover▲4

   This tool helps to remove duplicate emails.

   2022 · arysontechnologies.com · its alternatives →

7. 7
   Shoviv Outlook Duplicate Remover tool▲7

   Shoviv Outlook Duplicate Remover Tool

   2023 · shoviv.com · its alternatives →

8. 8
   Outlook Duplicate Remover▲2

   Expert Tool to deal with duplicate emails in Outlook

   2021 · cigatisolutions.com · its alternatives →

9. 9
   Duplicate File Finder & Remover▲100

   A simple, freeware duplicate finder for Mac

   2017 · apps.apple.com · its alternatives →

10. 10
    DeDuplicate▲78

    Remove duplicate files in G Drive, Dropbox, OneDrive, MEGA

    2022 · apps.apple.com · its alternatives →

11. 11
    DeDuplicate▲83

    Remove duplicate files in OneDrive, Dropbox or Google Drive

    2021 · deduplicate.app · its alternatives →

12. 12
    Outlook Email Duplicate Remover▲1

    Outlook email duplicate remover

    2023 · regainsoftware.com · its alternatives →

13. 13
    Duplicate Remover for Outlook▲2

    Best Tool to Remove Duplicate Emails from Outlook Mailboxes

    2023 · migrateemails.com · its alternatives →

14. 14
    Outlook Duplicate Remover▲2

    Best software to remove duplicate emails in Outlook

    2023 · msoutlookhelp.com · its alternatives →

15. 15
    Sysinfo PST File Recovery▲4

    Free PST Recovery Software

    2021 · sysinfotools.com · its alternatives →

16. 16
    PST Splitter Tool▲2

    Split Large PST Files of Outlook into Smaller PST Files

    2021 · cigatisolutions.com · its alternatives →

17. 17
    Shoviv PST Splitter Software ▲9

    PST Splitter Software used to split the large PST file.

    2024 · shoviv.com · its alternatives →

18. 18
    WholeClear OST To PST Converter▲7

    Instantly convert Exchange OST files 2 PST for Outlook

    2024 · wholeclear.com · its alternatives →

19. 19
    OLM Converter▲55

    Optimum tool to convert OLM file without losing any data

    2022 · msoutlookhelp.com · its alternatives →

20. 20
    Duplicate File Remover▲11

    [FREE] Easily find and delete duplicate files in seconds.

    2025 · appeditor.gumroad.com · its alternatives →

21. 21
    MailConverterTools PST Converter▲7

    Efficiently Convert Outlook PST in Bulk without Outlook

    2024 · mailconvertertools.com · its alternatives →

22. 22
    Outlook PST Merger▲1

    Best and Effective Tool to Merge Multiple PST Files in Bulk

    2024 · aryson.in · its alternatives →

23. 23
    Regzion PST Recovery▲7

    Convert ost to 21+ format options

    2025 · regzionsoftware.com · its alternatives →

24. 24
    Cloud Duplicate Finder▲6

    Duplicate files removal for OneDrive, Google Drive, Dropbox

    2019 · cloudduplicatefinder.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →