WholeClear OST to TGZ Converter Software
Convert OST files to TGZ format in bulk with WholeClear
One time fee248 impressions#1365 of its week
WholeClear converts Outlook OST files to Zimbra TGZ format without needing Outlook or Zimbra installed.
- for
- IT admins and users needing to migrate Outlook data to Zimbra.
- pricing
- freemium · free trial
Key features
- Full OST to TGZ conversion — Converts emails, contacts, notes and attachments to Zimbra TGZ preserving all metadata.
- No Outlook/Zimbra required — Runs independently on Windows, macOS and Linux without external applications.
- Selective folder export — Choose specific folders or items to include in the TGZ export.
- Live preview — Shows a preview of mailbox items before conversion.
- Preserves folder structure — Maintains original folder and subfolder hierarchy in the TGZ file.
- Unlimited file size — Handles large OST files with no defined size limit.
- Save to any location — Allows the user to specify any local folder for the exported TGZ file.
- Free demo version — Provides a trial edition to explore functionality before purchasing.
Use cases
- Migrate a large corporate Outlook archive to Zimbra for server migration.
- Extract specific email folders from a corrupted OST without Outlook installed.
- Create TGZ backups of Outlook data for offline storage or compliance.
- Convert password-protected OST files to TGZ for forensic analysis.
WholeClear OST to TGZ Converter Software FAQ
Do I need Outlook or Zimbra installed to convert OST files?+
No, the converter works independently on Windows, macOS and Linux without any external applications.
Is there any risk of data loss during conversion?+
The software is virus-free and maintains data integrity, preserving email properties and folder structure.
Can I convert large or password-protected OST files?+
Yes, it supports all Outlook versions, large files, and password-protected OSTs without size limits.
What format does the output file have?+
The converted file is a Zimbra TGZ archive that can be opened with any Zimbra version.
Is there a way to try the tool before buying?+
A free demo version is available to explore the converter’s capabilities before purchasing a license.
Summarized by DevHunt from wholeclear.com · Sep 28, 2026. Details may change; check the official site.
