Launched January 6, 2026
WholeClear PST to MBOX Converter
convert Outlook PST files into the MBOX without losing any data
One time feeDevOps125 impressions#79 of its week
The WholeClear PST to MBOX Converter is best software to convert Outlook PST files into the MBOX format without losing any data. It can convert the large PST files into MBOX file format and its support ANSI and Unicode. It will work even if you don't have Microsoft Outlook installed on your computer. The application ensures that all the important parts of your emails, such as the To, Cc, Bcc, Subject, Date, Time, formatting, attachments, and inline images, are kept identical during the conversion. These features make it ideal for individuals who want to go from Outlook to email applications that work with MBOX, such as Thunderbird, Apple Mail, Eudora, and others. This application is easy to use by individuals who aren't very good with computers because it can convert files in batches and has a simple step-by-step interface. It works great with all versions of Outlook from 2003 to 2021 and on all major versions of Windows, including 11, 10, 8.1, 8, and 7. There is also a free demo version that enables individuals to test out how this item works before they buy it.
WholeClear PST to MBOX Converter converts Outlook PST files to MBOX format without data loss.
- for
- Users needing to migrate Outlook emails to MBOX-compatible clients.
- pricing
- freemium · free trial
works withMicrosoft OutlookMozilla ThunderbirdApple MailEntourageEudoraSpiceBirdNetscapeOpera Mail
Key features
6 features of WholeClear PST to MBOX Converter
- Full metadata preservation — Keeps To, Cc, Bcc, Subject, dates, formatting, attachments and inline images intact.
- Batch conversion — Convert multiple PST files at once through a simple step-by-step interface.
- Cross-platform support — Runs on Windows, macOS and Linux, handling all Outlook versions 2003-2021.
- Smart preview — Shows a tree view of PST folders and contents before conversion.
- No Outlook required — Converts PST files without needing Microsoft Outlook installed.
- Handles large PSTs — Supports large files (e.g., 2 GB) and all PST types including ANSI, Unicode and password-protected.
Use cases
- Migrate Outlook archives to Thunderbird for continued email access
- Move Outlook data to Apple Mail or other MBOX-compatible clients
- Batch convert multiple PST backups for archival or compliance purposes
WholeClear PST to MBOX Converter FAQ
Do I need Outlook installed to use the converter?+
No, the tool can convert PST files without Microsoft Outlook installed.
Can the tool handle damaged PST files?+
No, it only exports healthy PST files; corrupted files are not supported.
Is there a free version to try?+
Yes, a free demo version is available for testing before purchase.
What operating systems are supported?+
The converter runs on Windows 7-11, macOS 12+, and Linux x64.
How many PST files can I convert at once?+
You can convert one PST file at a time, but batch processing of multiple files is supported.
Summarized by DevHunt from wholeclear.com · Oct 8, 2026. Details may change; check the official site.
.png?width=64)
-(1).png?width=64){kind=logo}
