We have found 2 software records in our database eligible for .pst to .ost file format conversion.
Microsoft Outlook is the right software for pst to ost conversion, which is pretty much export of different types of Outlook's storages. You can actually find dozens of various utilities designed for Outlook exports, but the same can be done with Outlook itself.
Updated: September 18, 2023
Mac version of the popular e-mail client and personal information manager from Microsoft
PST
A pst file extension is used for storage file format of Microsoft Outlook. PST file contains stored emails, calendars, contacts in one single file.
OST
An ost file extension is used for Microsoft Outlook Offline Folders files. The ost files are used to store e-mail messages and other data download from an Microsoft Exchange server. Microsoft Outlook Offline Folders files are very similar to Outlook personal folders files (.pst files).