DataNumen Exchange Recovery is the best recovery tool for Microsoft Exchange offline folder (.ost) files. When disaster occurs on Microsoft Exchange server, such as server crashes, server database corruption, etc., the Exchange offline folder (.ost) files on the client computer still contain the mail messages and all other items of your Exchange mail account. DataNumen Exchange Recovery uses advanced technologies to scan the orphaned or damaged Exchange offline folder (.ost) files, recover your mail messages and other items as much as possible, and save them into an Outlook data file for easy access.
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