Best Zimbra Converter Tools for 2025

Are you looking for a tool to convert your Zimbra TGZ file, but are confused about what is right for you? Don’t worry, here in this blog, we will discuss the best Zimbra Converter tool in 2025 for you. Continue reading and find out the best ways to convert emails, contacts, calendars, and all other data from Zimbra TGZ file with ease.

TGZ = Tar + Gzip → It’s basically a .tar.gz file, but Zimbra names it .tgz.When a user exports emails, contacts, calendars, tasks, or entire Zimbra mailbox data into one .tgz file. The exported .tgz file contains folders and other data, but it is not readable in any email client or server. Therefore, converting them into a supportable format is necessary. Thus, many users are looking for a Zimbra TGZ converter, and here in this blog, you will find the best tools.

Why Users Want to Convert Zimbra TGZ File?

There can be various reasons for the user who is looking for a Zimbra TGZ Converter, some of which are –

• When you need to move emails from Zimbra to Outlook, Office 365, Gmail, or other email programs.
• To save mail data in common formats like PST or PDF for backup or record-keeping.
• need to extract contacts, calendars, and attachments separately for future use.
• Continue accessing your data even if Zimbra is no longer available, or switch to another program.

There are many reasons to convert Zimbra emails, but users often feel confused about which converter tool is the safest and most reliable. Picking the right tool is important to keep your data secure and accurate. For all those, here is the list of the Zimbra email converter software.

Top 5 Best Zimbra TGZ Converter Tools in 2025

Here is the list of the best tools for converting Zimbra TGZ file data without any hassle. Read their features, pros, and cons, and then decide which one among those will be helpful for you.

1. SysTools Zimbra Converter

An efficient tool for converting Zimbra (.TGZ or server/desktop) mailboxes to many formats (PST, MBOX, PDF, EML, vCard, Office 365, etc.), preserving complete mailbox items (emails + attachments + contacts + calendars + tasks).

Key Features

• Converts TGZ files to PST, MBOX, PDF, EML, vCard.
• Batch conversion multiple TGZ files at once
• Selective conversion using date filters, etc.
• Preserve folder hierarchy and structure
• Preview of mailbox items before conversion.

Pros

• Convert emails, contacts, calendars, and other data from Zimbra TGZ files without data loss.
• Filter options for selective conversion
• Supports both server and desktop versions of Zimbra.

Cons

• Price is relatively high, which might be steep for occasional users.
• The free version is limited to 15 items/folders you can convert.

2. CubexSoft Zimbra Converter

A utility that will convert TGZ emails from both Zimbra client and server. With this Zimbra Converter, one can convert Zimbra TGZ to PST, PDF, and other file formats. Also, you can import emails to many webmail accounts like Office 365, Exchange, Gmail, etc.

Key Features

• Converts Zimbra mailboxes to multiple saving formats.
• Batch migration of multiple TGZ files at once.
• Intuitive GUI so both technical and non-technical users can use it.
• Maintains folder structure, metadata during conversion.

Pros

• Flexible with both Zimbar on-premises and cloud server.
• Good for large migrations because of the batch conversion feature.
• Strong for users who need to move TGZ file to Office 365, Gmail, and many other webmail accounts.

Cons

• Cost might be high for licences when dealing with many mailboxes.
• Large data sets can take time, depending on hardware performance.
• Some advanced migration options are present in the higher licensed one.

3. BLR Zimbra Converter Tool

A secure and efficient tool to import Zimbra TGZ files with complete data. With this Zimbra Converter tool, one can easily convert emails without affecting the folder and sub-folder hierarchy and structure.  Helps export Zimbra TGZ files to different formats safely, with filters and no duplicates.

Key Features

• Support for 20+ output formats (PST, PDF, MBOX, EML, HTML, DOCX, etc.).
• Batch conversion: multiple TGZ files or folders at once.
• Filter options like date range, and choose specific folders.
• Duplicate email removal.

Pros

• Various options to save Zimbra emails (PST, PDF, CSV, EML, etc.).
• Filters and duplicate removal help reduce unwanted email conversions.
• Allows users to select an email folder that is best for users who want control over what they want to export.

Cons

• As with others, performance for very large TGZ files or many files may be slower.
• Some features might be basic compared to top brands
• Trial version likely limited; full version needed for bulk conversion.

4. Cigati Zimbra Mail Converter

Another list of the best Zimbra converters is by Cigati. This tool allows exporting Zimbra TGZ files to formats like PST, MBOX, and many others. Provides a free version with limited export (first 25 emails) for trial.

Key Features

• Free/trial version to view & export 25 emails/folder to test.
• Export of emails, attachments, contacts, calendars, and other data.
• Options for selective email conversion and removing duplicates.

Pros

• The free trial is useful to check whether it meets your needs before buying.
• Good compatibility with Windows and basic features are good to go.
• Good option for smaller migrations or just to export a few items.

Cons

• Limited export options in the free version; for large conversions, you need to upgrade.
• It might lack some of the more advanced features.
• Support & interface may not be as rich.

5. WebbyAcad Zimbra Converter

This converter tool, with its simple and user-friendly interface best suited for individuals who want to convert their emails. Support converting TGZ file data directly to various webmail accounts.

Key Features

• Various export options such as PST, MSG, EML, MBOX, etc. also cloud services and email platforms.
• Duplicate email filter, date-range filter, and selective folder conversion.
• Batch conversion of multiple TGZ files/folders at once.

Pros

• Competitive and flexible pricing for different users.
• Many export options, including IMAP migration.
• Strong filtering, previews, and a user interface are good.

Cons

• Lower-priced licences may miss some advanced features.
• As with many tools, converting very large TGZ files may take time or need strong hardware.

All five Zimbra converters can move or export TGZ files, but the best Zimbra Converter tool depends on your needs. SysTools and CubexSoft and BLR suit big jobs, Cigati is good for small tasks, and WebbyAcad is an affordable choice. Always try the demo before deciding.