To combine Outlook PST files into a single PST, use the safe and reliable OTStoPSTAPP Merge PST Software. You can combine several PST files into a single PST without losing data. To complete all of this task, use the PST Merge tool and follow this step-by-step guide:
Download and install the OTStoPSTAPP Merge PST Software.
To upload the PST files you want to combine, open the software and select Add PST files.
Select the combining options: whether to merge all items or selected files, and then the destination folder.
To start the combining process, press the button Combine PST.
After completion, the combined PST file will be sent to the specified location.
This PST merge software speeds the combined process by easily providing several PST files. Combine them into a single part to save effort & time.
Read More:- https://www.osttopstapp.com/pst-merge.html