OST

OST to PST Converter by CubexSoft is a software tool designed to export offline Outlook OST files to PST format, supporting versions including Outlook 2019, 2016, 2013, 2010, and 2007. The tool addresses the need to convert OST files, which are used for offline storage in Microsoft Outlook, into PST files and other formats for compatibility and data management purposes.

The software enables users to export various elements from OST files, such as emails, attachments, contacts, calendars, and notes. It is capable of handling large OST files, with no file size limitation, and has been tested with sample files up to 1 TB. The tool supports exporting to multiple file formats beyond PST, including PDF, MBOX, EML, MSG, and CSV. This flexibility is particularly useful for corporate users who manage extensive databases and require reliable migration or backup solutions.

CubexSoft OST to PST Converter operates as an independent application and does not require an internet connection, making it suitable for offline use. It is available for both Windows and Mac operating systems. The tool is described as being favored by IT administrators and Microsoft MVPs for its reliability and accuracy in exporting data.

A free demo edition is offered, allowing users to save up to 25 items from an OST file to PST format, including emails, contacts, and calendar entries. This provides an opportunity to evaluate the software before committing to a full version.