Growth · alternatives · 2026

24 alternatives to Regain Outlook PST Merger

Combine multiple PST files into one PST file

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Regain Outlook PST Merger launched in 2023; newer entries below may have overtaken it.

1. 1
   Email Pro Help PST Merge Tool▲1

   To Join Multiple PST Files into One Outlook PST File

   2024 · its alternatives →

2. 2
   DRS Softech PST Merge Tool▲6

   Smart & Secure Solution to Merge Multiple PST Files

   2025 · drssoftech.com · its alternatives →

3. 3
   Outlook PST Merger▲1

   Best and Effective Tool to Merge Multiple PST Files in Bulk

   2024 · its alternatives →

4. 4
   PST Merge Tool▲2

   Merge your PST files efficiently with PST merge tool

   2023 · its alternatives →

5. 5
   ViceVersa PST Split and Merge Software▲2

   Split Large PST Files and Merge Mailboxes with Ease

   Jun 2026 · viceversatools.com · its alternatives →

6. 6
   DRS Softech Outlook PST Splitter Tool ▲6

   Split Large PST Files into Smaller, Secure PST Files

   2025 · drssoftech.com · its alternatives →

7. 7
   BitData Migration PST Converter▲8

   Export & convert Outlook PST file to multiple formats

   2024 · its alternatives →

8. 8
   Outlook PST Duplicate Remover▲2

   Effortlessly Remove Duplicate Items from the PST Files

   2024 · its alternatives →

9. 9
   MailConverterTools PST Converter▲7

   Efficiently Convert Outlook PST in Bulk without Outlook

   2024 · its alternatives →

10. 10
    PST Splitter▲1

    Download PST splitter tool to split PST files quickly

    2023 · its alternatives →

11. 11
    Mailvita Split PST for Mac▲3

    Users can split/divide the PST files into Smaller PST Parts.

    2024 · its alternatives →

12. 12
    Softaken PST Mailbox Converter Tool▲7

    To convert Outlook PST files into Different file formats.

    2025 · its alternatives →

13. 13
    DRS PST File Converter▲3

    Export PST file in 12+ Formats and Email Clients on Mac/Win

    2023 · its alternatives →

14. 14
    Shoviv PST Splitter Software ▲9

    PST Splitter Software used to split the large PST file.

    2024 · its alternatives →

15. 15
    MCT PST Duplicate Email Remover▲6

    Remove Outlook Duplicates Instantly with Smart Precision

    2025 · its alternatives →

16. 16
    WholeClear OST To PST Converter▲7

    Instantly convert Exchange OST files 2 PST for Outlook

    2024 · its alternatives →

17. 17
    Regain PST to MSG Converter Tool▲1

    Regain PST to MSG Converter to convert PST files into MSG.

    2023 · its alternatives →

18. 18
    CloudMigration PST File Converter Tool▲1

    A Risk-Free Solution to Convert Outlook PST Files

    2024 · its alternatives →

19. 19
    Regzion PST Recovery▲7

    Regzion PST Recovery

    Sep 2025 · regzionsoftware.com · its alternatives →

20. 20
    WholeClear EML To PST Converter▲7

    Convert eml files into pst formats in bulk with attachments

    2024 · its alternatives →

21. 21
    OST to PST Converter Tool▲8

    Converter Tools OST to PST Conversion with All Emails

    2025 · convertertools.org · its alternatives →

22. 22
    OST to PST Converter▲9

    Easily Outlook conversion, use this OST to PST Converter.

    2024 · its alternatives →

23. 23
    DRS Softech PST Recovery Tool ▲11

    Repair Corrupt PST Files & Restore Outlook Data Safely

    2025 · drssoftech.com · its alternatives →

24. 24
    Regain EML to PST Converter▲2

    Professional tool to convert EML files to PST file

    2023 · 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 →