03-28-2025, 08:58 PM
To open OST file in Outlook try the Advik OST Converter on your system. With this tool, you can convert OST file into PST format and then import this file into Outlook. It has a dual mode that enables you to import single or multiple OST files at once. It preserves all email attributes and mailbox folder hierarchy during the process. Download its free version and check its working procedure.