To Merge Outlook data files into one PST files then I would suggest the KDETools PST Merge. It joins various PST files such as Emails, Calendars, Tasks, Notes, Contacts and all. Merge PST files without any duplicates PST files. It joins PST files in all Version of Outlook and Windows. Consolidate multiple PST files without installing of MS-Outlook. Join various PST items with demo version is also available. Merge only selected PST files with date ranges.
More Info: https://www.kdetools.com/pst-merge.html
Combine Outlook files with all data or selected data with Merge PST Tool in just 4 simple steps. I have used this application a week ago and got fine results therefore, I would like to suggest you to use this application to merge Outlook data files into one PST file. It help you to join PST files without Outlook installation.
Visit here for more info: https://www.osttopstapp.com/pst-merge.html
Merge multiple PST Files into a Single PST file with the help of Bitdataconversion PST Merge Software. If you have multiple PST files in your device and you are suffering in accessing its data, then take the support of Bitdataconversion PST Merge Software and combine all the files to create a single. This tool merges the PST file by name, by date, and by folder. The software is proficient in merge both ANSI and UNICODE files.
For more info visit - https://www.bitdataconversion.com/merge-pst-files.html
If you need to merge multiple PST files and want to merge them into a single PST file, try Merge PST for Mac Tool to easily complete this task with a simple mouse click. It supports both PST files ANSI and UNICODE versions and combines multiple PST files into one PST file without data loss. The software allows users to join Mac PST in multiple ways. Users are trial versions to merge data by selecting one of the options shown. It supports all the latest and below versions of MS Outlook and Mac OS versions. Download the free trial versions software.
Visit here:- https://www.mailvita.com/merge-pst-for-mac/