AI · alternatives · 2026

24 alternatives to OST File Splitter

Best Tool to split the resultant OST file with ease

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

1. 1
   Shoviv PST Splitter Software ▲9

   PST Splitter Software used to split the large PST file.

   2024 · its alternatives →

2. 2
   PST Splitter▲1

   Download PST splitter tool to split PST files quickly

   2023 · its alternatives →

3. 3
   DRS Softech Outlook PST Splitter Tool ▲6

   Split Large PST Files into Smaller, Secure PST Files

   2025 · drssoftech.com · its alternatives →

4. 4
   OLM Converter▲55

   Optimum tool to convert OLM file without losing any data

   2022 · its alternatives →

5. 5
   OST to Office 365 Converter▲7

   OST to Office 365 Converter to convert OST to Office 365

   2023 · its alternatives →

6. 6
   OST to PST Converter Tool▲8

   Converter Tools OST to PST Conversion with All Emails

   2025 · convertertools.org · its alternatives →

7. 7
   OST to PST Converter▲2

   Best tool to convert OST file into different file formats.

   2023 · its alternatives →

8. 8
   Sysinfo Tools▲56

   Best solution to convert Mac OLM files to PST format

   2022 · its alternatives →

9. 9
   OST File Opener▲1

   Premium Tool to open corrupt OST file with attachments

   2022 · its alternatives →

10. 10
    GoldyTools▲7

    Ost to pst converter tool to convert ost to pst files

    2025 · its alternatives →

11. 11
    OST File Viewer▲3

    Free OST Viewer to View Outlook OST File without Outlook

    2022 · its alternatives →

12. 12
    MigrateEmails OST to PST Converter▲11

    Best Software to convert OST to PST and other file formats.

    2025 · its alternatives →

13. 13
    OST To PST Converter▲1

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

    2023 · its alternatives →

14. 14
    OST to PST Converter▲9

    Easily Outlook conversion, use this OST to PST Converter.

    2024 · its alternatives →

15. 15
    OST to PST Conversion Tool▲2

    Best tool to convert Outlook OST to PST format

    2023 · its alternatives →

16. 16
    Outlook OST to PST Converter▲1

    Best OST to PST converter to convert ost file to pst format

    2024 · its alternatives →

17. 17
    Aryson Apple Mail Converter Tool▲11

    Best tool to convert Apple Mail files into Outlook PST.

    2025 · its alternatives →

18. 18
    Microsoft OST to PST Converter▲2

    Best Tool to Convert OST file to PST with Attachments

    2022 · its alternatives →

19. 19
    4n6 Outlook PST Converter Tool▲2

    PST Converter to Convert Any Outlook Files to Various Format

    2022 · its alternatives →

20. 20
    Aryson OST Viewer▲2

    Excellent Tool to view OST file with attachments effectively

    2022 · its alternatives →

21. 21
    Mailvita Split PST for Mac▲3

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

    2024 · its alternatives →

22. 22
    OST to PST Migration Tool▲3

    Migrate Multiple OST files into Outlook PST Instantly

    2022 · its alternatives →

23. 23
    WholeClear OST To PST Converter▲7

    Instantly convert Exchange OST files 2 PST for Outlook

    2024 · its alternatives →

24. 24
    Outlook Attachment Extractor Tool▲6

    Download & extract Outlook attachments Effortlessly

    Sep 2025 · systoolsgroup.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 →