ATS OST to PST Converter - OST to PST Converter is riskiness-free Converter tool for OST to PST file Conversion even when your Exchange Server is downtime, crash or file corruption. This is support MS-Outlook 2019, 2016, 2013, 2010, 2007 & etc.
Bandizip - Bandizip : All-In-One Free Zip Archiver. Bandizip is a lightweight, fast and free All-In-One Zip Archiver.
SysVita OST to PST Converter - Sysvita OST to PST Converter tool helps to export, migrate or convert OST to PST including all email itmes, and also migrate emails from OST to Live Exchnge & Office 365.
The Unarchiver - Get the top application for archives on Mac. It's a RAR extractor, it allows you to unzip files, and works with dozens of other formats.
vMail OST to PST converter - vMail OST to PST Converter Software is an easy to use tool to convert Exchange OST file to Outlook PST file as well as EML, EMLX, MSG, MBOX, vCard & vCal formats. This software can also recover mailboxes from corrupt, damaged and encrypted OST file.
WinZip - The world's best file compressor in the world.