Are you looking for a PST to MBOX converter? If this is the case, you can convert PST to MBOX using the eSoftTools PST to MBOX Converter Software. It's an excellent service. This program includes a date filter option. A trial version is also available here. You can also convert 25 emails into each folder in the trial version. Technical support is also available 24 hours a day, seven days a week.
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