Growth · alternatives · 2026

24 alternatives to MacSonik OST Viewer Pro

Powerful OST File Viewer for Enterprises & IT

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
OST File Viewer▲3
Free OST Viewer to View Outlook OST File without Outlook
2022 · convertertools.org · its alternatives →
2
Aryson OST Viewer▲2
Excellent Tool to view OST file with attachments effectively
2022 · arysontechnologies.com · its alternatives →
3
Sysinfo Tools▲56
Best solution to convert Mac OLM files to PST format
2022 · sysinfotools.com · its alternatives →
4
DRS OST Viewer Tool▲1
It is the most trusted and genuine OST file reader solution
2023 · data-recovery-solutions.com · its alternatives →
5
MailConverterTools PST Viewer▲8
Best Tool to Open, View, and Read PST Files without Outlook
2025 · mailconvertertools.com · its alternatives →
6
MacSonik Outlook.com Backup Tool▲11
MacSonik Outlook.com Backup: Migrate Hotmail emails easily.
2025 · macsonik.com · its alternatives →
7
OLM Converter▲55
Optimum tool to convert OLM file without losing any data
2022 · msoutlookhelp.com · its alternatives →
8
Export Mail for Microsoft Outlook for Mac▲46
2021 · exportoutlookmacmail.com · its alternatives →
9
MacSonik Email Migrator▲5
The Ultimate Email Migration Tool for macOS.
Jul 2026 · macsonik.com · its alternatives →
10
MacSonik OLM to CSV Converter for Mac▲2
Convert OLM to CSV easily with MacSonik Mac tool
2025 · its alternatives →
11
OST File Opener▲1
Premium Tool to open corrupt OST file with attachments
2022 · msoutlookhelp.com · its alternatives →
12
MacSonik ICS File Converter▲11
Most Reliable tool to Convert ICS to PDF, PST, etc.
2025 · macsonik.com · its alternatives →
13
Aryson Apple Mail Converter Tool▲11
Best tool to convert Apple Mail files into Outlook PST.
2025 · arysontechnologies.com · its alternatives →
14
Mailward▲6
Mailward lets you open, browse, search, and export Outlook PST and OST files directly in your browser. It also reads OLM (Outlook for Mac), MBOX (Google Takeout), EML, and MSG files. It parses archives locally with the File API and a Web Worker, keeping your data on your device a
Jul 2026 · pst.aivismonitor.com · its alternatives →
15
Mailvita OST To PST Converter For Mac▲7
Download Free Maillvita OST to PST Converter with Mac & Win
2024 · mailvita.com · its alternatives →
16
CoolUtils Mail Viewer MCP▲9
Let Claude read .msg/.eml/.p7m and convert them to PDF
May 2026 · github.com · its alternatives →
17
OST Viewer Freeware▲3
Professional tool to view, open and read corrupt OST files
2023 · datarecoveryfreeware.org · its alternatives →
18
A library for reading PST files (written in Go/Golang)▲20
Personal Storage Table implementation in Go/Golang - mooijtech/go-pst
2021 · github.com · its alternatives →
19
OST to PST Converter Tool▲8
Converter Tools OST to PST Conversion with All Emails
2025 · convertertools.org · its alternatives →
20
Sysinfo Linux OST Viewer▲6
Sysinfo Linux OST Viewer to read and save OST files on Linux
2023 · sysinfotools.com · its alternatives →
21
CubexSoft Apple Mail Converter▲3
Export Mac Apple Mail Data Files to PST, PDF, EML, and etc.
2025 · cubexsoft.com · its alternatives →
22
Sysinfo PST Viewer Pro▲2
Sysinfo PST Viewer pro view PST files without MS Outlook
2023 · sysinfotools.com · its alternatives →
23
OST File Recovery Tool▲3
Hasslefree Recovery of Exchange OST Files
2021 · convertertools.org · its alternatives →
24
Mailvita PST to MSG Converter for Mac▲3
Utility securely converts Outlook PST files to MSG format
2024 · mailvita.com · its alternatives →

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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 →