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If you need to convert your OST file into Zimbra then would suggest this best-designed tool of eSoftTools which can easily access all MS Outlook versions and windows and it can securely repair harm or corrupted OST file database such as tasks, contacts, attachments, emails, journals, etc. you can download the free demo trial version of the software.

Get Know More:- OST to PST Converter

WholeClear OST to TGZ Converter can transfer Offline OST files to Zimbra. It allows migrating mailbox items from OST files such as emails, attachments, drafts, calendars, notes, journals, contacts and then converting them into a new TGZ file. The large size of the Offline OST file database is without affecting their quality. OST to TGZ conversion tool allows users to preview the items in the file. You can successfully convert 25 items from every folder without any cost by the demo version of this tool.
If you want to export your Outlook OST file to Zimbra file format. You can try Softaken OST to TGZ Converter tool which can save OST file into multiple file formats like TGZ, EML, PDF, MBOX, DBX, MSG, RTF and HTML. With the help of this tool the user can also move Outlook OST data directly to Office 365 mailboxes. The tool supports all versions of MS Outlook, Office 365 and Windows OS.
It also recovers OST file data along with whole corrupted Outlook OST email items such as - Inbox, outbox, sent mail, note, task, journals, and draft, etc. By using this free tool users can securely repair harmful OST file data within a very short time and the best part of this software it can work with all versions of MS Outlook and windows. You can convert the OST data without any change in the original formatting and structure of folder. User can try the free demo version of the converter so that you can use this tool. The tool supports all the latest versions of Windows OS and MS Outlook. Read more :-
You can convert OST file to Zimbra with the TrustVare OST Converter Tool to convert OST files to Zimbra files without installing Microsoft Outlook. It is simple to use for all users. It is the most effective method for converting OST data into Zimbra. The OST file convert to Zimbra files is complete. It can swiftly import OST files into Zimbra documents without spending your time. All versions of the Windows operating system are supported. It is simple to use and offers free trial versions for users. A free trial version is also available to users.