Users who are looking for a solution to switch from Outlook into any IMAP-based webmail services, must use eSoftTools OST Converter Software. Try this best method for quickly importing Outlook OST to an IMAP account. This software contains a variety of smart features which is very helpful for you to simply convert OST to PST files and migrate OST files to different cloud mail apps. It will securely transfer all elements from the OST to the IMAP account, including emails, contacts, calendars, etc.

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