If you need to merge large Outlook files, I recommend the Merge PST Tool; it is a very good and safe application. It can easily join Outlook PST files to other Outlook PST files without any data loss and ignore empty files. It is very simple to use, saves time because it works quickly, and supports all versions of Windows such as 11, 10, 8.1, 8, 7, XP, and Vista. And there are some easy ways to use it.
Firstly, download the Merge PST Application.
Select the PST file or folder mode option, and click Browse.
Preview your selected PST database.
Select the output location and click on the browse button.
Finally, click on the “Merge Now” button to join your Outlook PST file.
Visit here:- https://www.betavare.com/merge-pst/
To merge Outlook PST files with Microsoft 2019. Simply you can open MS Outlook 2019 verions and manually merge multiple Outlook PST files. But the manual method is tricky all users can’t use it and also risk data loss. I recommend the ToolsBaer Merge PST Tool for merging several Outlook PST files. The application can effectively integrate password-protected and encrypted Outlook PST files without losing any data. It has extra functionality such as events, notes, tasks, messages, emails, contacts, and attachments. Furthermore, Microsoft Outlook versions 2021, 2019, 2016, 2013, 2010, 2007, and 2003 are also supported. Users can merge Outlook PST files using free trial versions of MS Outlook without needing to download Microsoft Outlook. Every contact in the Outlook PST file was concatenated. It is compatible with all versions of the Windows operating system.