Convert Opera Mail to Outlook 2021, 2019, 2016, 2021, etc,  with WholeClear MBOX to PST Converter. It simply opens Opera Mail archives into Outlook PST format. Simply choose the folder containing your files, then let the software do the rest. No extra components, no complex setup—just a few clicks. You’ll find all your folders, attachments, and timestamps preserved exactly as they were.

Large archives? No problem. The program handles batches at once, so you don’t wait around for each file to finish. A real-time preview shows sample emails before you confirm the switch, giving you peace of mind. Installation takes seconds, and the interface remains clear from start to finish. Compatible with Windows editions old and new, it fits neatly into any workflow.
Try out the free version to see how smoothly your data moves over. When you’re ready, unlock the full suite of features with a license key.