Cycling through all six. Tap any point to stop.

Measured on six things

Convert TGZ mailboxes to Outlook PST on Windows

Security

HTTPS, CSP, SPF, and DMARC are in place, but missing HSTS, frame protection, and other headers. No public compliance certifications. Basic security is covered, but not hardened.

Screenshots

1 / 4

Softaken TGZ to PST Converter

About this app

Softaken TGZ to PST Converter is designed for users who need to export Zimbra mailbox data into Outlook PST format. The software works with Zimbra TGZ files and can transfer emails, attachments, contacts, calendars, and other mailbox information into PST format. The conversion starts by adding the TGZ file to the application. Users can preview the mailbox content before exporting, which helps them review folders and email information and decide what data needs to be converted. Specific folders or mailbox items can be selected according to the requirements. During the process, the software retains the original folder hierarchy and keeps email information organized in the output PST. The standalone utility works fully independently, so no external application installation is needed. All resulting PST files are easily opened in MS Outlook. Moreover, the conversion tool runs smoothly in Windows OS.

Key features

1Converts Zimbra TGZ files to Outlook PST without requiring Zimbra or Outlook installation.
2Preserves folder hierarchy, email properties, and attachments during conversion.
3Supports preview and selective conversion of emails, contacts, calendars, and briefcase items.

Target customer profile

Drawn from the product itself, not from a survey.

Demographic

IT administrators and system migration engineers

Pain points

Migrating thousands of Zimbra mailboxes to Outlook without corruption or downtime

Primary needs

Reliable, fast, and accurate bulk conversion of TGZ files to PST format

Demographic

Small business owners and office managers

Pain points

Limited technical expertise and budget for complex migration tools

Primary needs

Affordable, easy-to-use software that requires no Zimbra or Outlook installation

Demographic

Individual professionals and freelancers

Pain points

Accessing old Zimbra emails and contacts in Outlook after switching platforms

Primary needs

Simple conversion of personal TGZ backups to PST for use in Outlook or Microsoft 365

Scout Review

Written by AI from measured evidence, scored out of 100.

Softaken TGZ to PST Converter is a niche utility for migrating Zimbra TGZ files to Outlook PST. It works, preserves folder hierarchy, and requires no Zimbra or Outlook installation. The $49 price is competitive. However, the dated design, restrictive trial, and lack of advanced security certifications hold it back. It's a solid choice for budget-conscious users with basic needs, but not for enterprises requiring compliance or a modern experience.

Measure by measure

Usability

Clear step-by-step guide and video tutorial help users get started. However, the free trial's 10-item limit per folder is too restrictive for realistic testing, and there's no live demo.

Design

The site is functional but visually dated, with a cluttered layout and small screenshots. The UI shown in demos looks like a legacy Windows utility. It gets the job done but lacks modern polish.

Speed

Lighthouse mobile performance 78/100 with LCP 1.8s and CLS 0, but TBT 734ms indicates some main-thread blocking. Desktop score 99/100. Overall, the site loads reasonably fast.

Security

HTTPS, CSP, SPF, and DMARC are in place, but missing HSTS, frame protection, and other headers. No public compliance certifications. Basic security is covered, but not hardened.

Accessibility

Lighthouse accessibility score 84/100, but failing audits include contrast issues, missing accessible names, and touch target problems. No accessibility statement or multi-language support.

Growth

Solves a real niche problem: Zimbra to PST migration. But it's a crowded space with established competitors. Price is a differentiator, but no clear wedge beyond that.

Improvement areas

Free trial limited to 10 items per folder, insufficient for realistic evaluation.
Missing security headers (HSTS, frame protection) and no public compliance certifications.
Accessibility issues: contrast, missing accessible names, and touch target sizes.

Design & Usability

Softaken TGZ to PST Converter's website is a throwback to the early 2010s: dense text, small screenshots, and a utilitarian layout. The product UI, as shown in demos, is similarly dated but functional. Usability is aided by a clear step-by-step guide and video tutorial, but the free trial's 10-item-per-folder limit is frustratingly restrictive, making it hard to evaluate the tool's full capabilities. There's no live demo, so you must download and install to test. For IT admins and individuals needing a straightforward conversion, it works, but the experience feels stuck in the past.

Speed & Security

The site performs well on desktop (Lighthouse 99/100) but mobile lags with a 78/100 score and a 734ms total blocking time, suggesting some heavy scripts. Security is a mixed bag: HTTPS, CSP, SPF, and DMARC are present, but HSTS, frame protection, and other headers are missing. No public compliance certifications like SOC 2 are advertised, which may concern businesses handling sensitive email data. While basic security is in place, the lack of hardening and transparency is a gap for a tool that processes mailbox data.

Accessibility & Growth

Accessibility is mediocre: Lighthouse scores 84/100, but failing audits include insufficient color contrast, missing accessible names on buttons and links, and touch target issues. There's no accessibility statement or multi-language support, limiting reach. Growth potential is moderate: the tool addresses a real need for Zimbra-to-PST migration, but it competes with established players like SysTools and Aryson. The $49 price point is attractive, but without a clear differentiator beyond cost, growth may be limited to budget-conscious users and small businesses.

Conclusion

If you need a no-frills, affordable way to convert Zimbra backups to PST, Softaken gets the job done. Just don't expect a polished, modern experience. For IT admins with a tight budget and simple requirements, it's worth a look. For everyone else, the competition offers more robust features and better support.

Suggestions for improvement

Increase the free trial limit to at least 50 items per folder to allow realistic testing.
Add HSTS and other security headers to harden the site and build trust.
Improve accessibility by fixing contrast issues and adding accessible names to buttons and links.
Provide a live demo or interactive sandbox so users can test without installing.

How we score

Alternatives comparison

Named competitors, point by point. Nobody paid to appear here or to be left out.

	Softaken TGZ to PST Converter	SysTools Zimbra Converter	Aryson Zimbra Converter
Price	$49	$99	$79
Free Trial Limit	10 items per folder	25 items per folder	20 items per folder
Output Formats	PST only	PST, EML, MSG, and more	PST, EML, MSG, and more
Requires Zimbra/Outlook Installation	No	No	No