To open an OST file you must need to convert it into a PST file so that you can use any converting tool like Advik OST to PST converter.
Follow these simple steps to open OST file in outlook
1. Download, Install and Run Advik OST to PST Converter.
2. Click Select File and add Outlook .ost file.
3. Select mailbox folders and click Next.
4. Choose PST as a saving option and click Convert.
5. After conversion, open Outlook and import PST file through Import/export option.
Follow these simple steps to open OST file in outlook
1. Download, Install and Run Advik OST to PST Converter.
2. Click Select File and add Outlook .ost file.
3. Select mailbox folders and click Next.
4. Choose PST as a saving option and click Convert.
5. After conversion, open Outlook and import PST file through Import/export option.