04-22-2025, 06:04 PM
You can manually import OST files to Gmail but this method is not recommended for large mailboxes. It does not save email metadata. In this case, a third-party software is the best option for importing OST files into Gmail. So, I suggest you use the DataVare OST to Gmail Converter Software. It keeps the subfolder structure intact during the conversion. It works with all versions of Microsoft Outlook and the Windows operating systems.