Step 1: Launch Stellar Converter for OST. Click Select Outlook OST in Home tab. A pop-up screen will appear with options to Browse or Find the OST file.
Step 2: Click Browse if you know the location of the OST. Or, click Find to search the OST. Next, Click Convert to initiate the OST to PST conversion.
Step 3: The software is converting the OST file. The estimated conversion time depends upon the size of the OST file.
Step 4: After converting the OST, the software previews the mailbox folders and deleted items. You can Browse and Select mailbox items.
Step 5: Choose the file format option to save the OST data or export it to Exchange, Office 365, or an existing Outlook profile. You can also split or compact the output PST file.