OST also referred to as Offline Folder, is an Outlook data file that stores mailbox items, such as emails, attachments, contacts, tasks, calendar, notes, etc. Outlook creates an OST file to store a local copy of mailbox data. This file ...
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Solve OST File Won’t Open in Outlook 2016 Problem
Andrew_MansonAs we know that Outlook OST file stores the Exchange mailbox data in offline mode. This file allows the user to continue to work with the mailbox even in the absence of Exchange server. When the internet connection gets established ...