Launched January 6, 2026
Softaken OST to TGZ Converter Software

Softaken OST to TGZ Converter Software

Convert OST to TGZ in Bulk with Softaken

One time fee263 impressions#631 of its week1 comment

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  • joseph· 3mo ago

    One of my old Outlook OST files had to be moved to a Zimbra server, and I wasn't sure how to handle it because Outlook wasn't available on that system. After trying Softaken OST to TGZ Converter, the mailbox was exported without much trouble. The folders stayed organized, and even the attachments were there after importing the TGZ file into Zimbra. It saved me from doing everything manually, and the whole process was smoother than I expected.

The Softaken OST to TGZ Converter Software is simple to use, and even non-technical users may easily convert a huge number of OST files to TGZ format. This software converts huge OST files to TGZ format without the need for Outlook or the Zimbra email client. It effortlessly converts OST files to TGZ without regard for file size limitations. This application operates with all versions of Outlook and Zimbra. Users can convert TGZ files to OST format and then easily open them using any version of Outlook or Zimbra. All of the data in the OST mailbox has been completely converted to the TGZ file format. It supports all editions of Windows OS, like 11, 10, 8, Vista, and XP. Everyone has the opportunity to try this software out for themselves by downloading a free trial version. Converting an OST file into a TGZ file with this product is a simple, secure, and safe process. As this software works on all versions of Outlook and Zimbra, it is easy to convert OST files into TGZ without errors.

Converts Outlook/Zimbra OST files to Zimbra TGZ archives without needing Outlook or Zimbra installed.

for
IT admins and users needing to migrate OST mailboxes to Zimbra.
pricing
freemium · free trial
works withZimbra DesktopZimbra Collaboration Suite (ZCS Web Clie

Key features

6 features of Softaken OST to TGZ Converter Software
  • Standalone conversion — Convert OST to TGZ without Outlook, Exchange or Zimbra installed.
  • Selective export — Choose specific folders or date ranges for conversion.
  • Batch processing — Export multiple OST files at once via folder option.
  • Preserve structure — Maintains folder hierarchy, attachments and email metadata.
  • Preview mailbox — View complete OST contents before exporting.
  • No size limits — Handles large OST files without file-size constraints.

Use cases

  • Migrate an Outlook mailbox to Zimbra Desktop for a user transition.
  • Batch convert archived OST files to TGZ for bulk import into Zimbra Collaboration Suite.
  • Extract specific date-range emails from a corrupted OST for recovery.

Softaken OST to TGZ Converter Software FAQ

Do I need Outlook or Zimbra installed to use the converter?+

No, the tool is a 100% standalone Windows utility and does not require Outlook, Exchange Server, or Zimbra.

Can I convert corrupted or orphaned OST files?+

Yes, the software includes recovery/deep-scan options to extract available data from damaged OST files before exporting to TGZ.

Is the original folder hierarchy preserved in the TGZ file?+

Yes, the converter maintains folders, subfolders, and all email meta attributes, including attachments.

What are the limitations of the free demo version?+

The demo allows previewing the mailbox and exporting up to 10 items; the full license removes this limit.

How do I import the TGZ file into Zimbra?+

Import the generated .TGZ archive via Zimbra Desktop’s Import menu or ZCS Web Client’s Preferences > Import/Export workflow.

Summarized by DevHunt from softaken.com · Sep 28, 2026. Details may change; check the official site.