Yesterday, 08:06 AM
To convert OST to PST without Outlook Free, try the best MacMister Mac OST Converter. One can simply batch import all OST files including all calendar emails, contacts, tasks, attachments, etc. a PST format without any error. You can also export a huge OST mailbox data to PST file format without any data loss because there are no file size limits. This app is suitable with all Mac OS, Outlook, and Windows OS platforms.