OST mailbox conversion to PST is an essential process when Outlook users need to access their data independently of the Exchange server. OST files are linked to specific profiles and become inaccessible if the server is unavailable, the account is deleted, or the mailbox is orphaned. Converting an OST mailbox to PST allows users to securely export emails, contacts, calendars, tasks, a... https://www.vartikasoftware.com/product/vs-ost-to-pst-converter-software.html