There is much software which is in a competition but there are less or very few who fulfill the requirement of all the users in single software. The eSoftTools software which open OST File without Outlook. The application which is design only supports the Windows version computer i.e., Xp, Vista, 7, 8, 8.1, 10 and many latest versions which are on their way. So, the main feature they are giving the free demo to all should grab their feature and use once a time.

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