Life & fun · alternatives · 2026

24 alternatives to DRS OST Viewer Tool

It is the most trusted and genuine OST file reader solution

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

1. 1
   OST File Viewer▲3

   Free OST Viewer to View Outlook OST File without Outlook

   2022 · its alternatives →

2. 2
   MacSonik OST Viewer Pro▲5

   Powerful OST File Viewer for Enterprises & IT

   Jul 2026 · macsonik.com · its alternatives →

3. 3
   DRS Softech PST Viewer Tool ▲5

   Open and View PST Files Without Outlook Easily

   Sep 2025 · drssoftech.com · its alternatives →

4. 4
   MailConverterTools PST Viewer▲8

   Best Tool to Open, View, and Read PST Files without Outlook

   2025 · its alternatives →

5. 5
   OST Viewer Freeware▲3

   Professional tool to view, open and read corrupt OST files

   2023 · its alternatives →

6. 6
   DRS PST Viewer Tool▲1

   The utility allows you to access corrupt Outlook PST files.

   2023 · its alternatives →

7. 7
   DRS OLM Viewer Tool ▲5

   Free software that allows you to view OLM file emails

   2023 · its alternatives →

8. 8
   DRS Softech OST File Recovery Tool ▲6

   Recover corrupt or inaccessible OST files in minutes

   2025 · drssoftech.com · its alternatives →

9. 9
   OST to PDF Converter▲1

   Seamless OST to PDF Conversion with Complete Data Accuracy.

   Feb 2026 · drssoftech.com · its alternatives →

10. 10
    PST File Viewer▲3

    Free PST Viewer Tool To Open and Read PST File

    2022 · its alternatives →

11. 11
    OST to PST Converter Tool▲8

    Converter Tools OST to PST Conversion with All Emails

    2025 · convertertools.org · its alternatives →

12. 12
    Sysinfo Linux OST Viewer▲6

    Sysinfo Linux OST Viewer to read and save OST files on Linux

    2023 · its alternatives →

13. 13
    CubexSoft PST Viewer▲2

    Free Tool to Open & View PST Files without using MS Outlook

    2022 · its alternatives →

14. 14
    Mailward▲6

    Open PST & OST files in your browser - private, no Outlook

    Jul 2026 · pst.aivismonitor.com · its alternatives →

15. 15
    DRS Softech Outlook OFT Converter Tool▲7

    Convert OFT Files to 15+ Formats with 100% Data Accuracy

    2025 · drssoftech.com · its alternatives →

16. 16AL
    A library for reading PST files (written in Go/Golang)▲20

    2021 · github.com · its alternatives →

17. 17
    Sysinfo PST Viewer Pro▲2

    Sysinfo PST Viewer pro view PST files without MS Outlook

    2023 · its alternatives →

18. 18
    WholeClear OST To PST Converter▲7

    Instantly convert Exchange OST files 2 PST for Outlook

    2024 · its alternatives →

19. 19
    PST File Viewer Tool▲2

    Best freeware software to open PST file without Outlook

    2023 · its alternatives →

20. 20
    OST to Office 365 Converter▲7

    OST to Office 365 Converter to convert OST to Office 365

    2023 · its alternatives →

21. 21
    GoldyTools▲7

    Ost to pst converter tool to convert ost to pst files

    2025 · its alternatives →

22. 22
    DRS Softech OLM Converter Tool▲7

    Convert OLM Files to 15+ Formats with Zero Data Loss

    2025 · drssoftech.com · its alternatives →

23. 23
    OST To PST Converter▲1

    It is a tool to convert OST to PST file in few simple steps

    2023 · its alternatives →

24. 24
    DRS Softech PST Recovery Tool ▲11

    Repair Corrupt PST Files & Restore Outlook Data Safely

    2025 · drssoftech.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 →