If you want to import OST to Zimbra desktop, but you did not get the solution so here I suggest you get SysInspire OST to PST converter software. This tool is one of the best tools for conversion of OST files. This tool converts OST files into multiple
file formats such as OST to PST, EML, EMLX, Office 365, HTML, Yahoo Mail, Gmail, etc. It has a demo version that can allow users to convert 25 items from each folder. It has technical support and all users can get help by mail or live chat. It has a bulk
conversion users can convert OST file in bulk at same time.
Read More:
https://www.sysinspire.com/ost-to-pst-converter/
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