If you have any issue related oversized PST files. Then this PST Merge software enables to combine or merge multiple MS Outlook personal folder data file into single PST file. The software has advanced options like removes duplicates and junk folders of PST file, Merge any size of Outlook PST file. So by using this PST Merge tool
Start the tool and add PST files or folders.
Select the Merge option and click Next.
Select Merge All Folders or Selected Folders as per the needs.
Choose Merge in New PST, Existing PST, or Outlook Profile.
Read more :- https://www.osttopstapp.com/pst-merge.html