DRS PST Merge Tool is an outstanding software that can easily merge more than one Outlook file into one without hampering its original hierarchy. You can perform merge operation on any size of the Outlook file as it has no file size limitations. Using this software, you can easily merge the Outlook file even if it is password protected. The software merge all the mailbox data which include mail, contacts, journals, notes, etc. The software supports both the ANSI and UNICODE encodings. The DRS PST Merge software allows you to exclude attachments if in case you don’t want to merge the email attachments. You can simply exclude it from the merge operation. DRS PST Merge tool supports all the MS Windows versions including the latest Win 11. If you want to evaluate the working features of the software, you can simply download the software from its official website. The demo version of the software allows you to merge 25 mail items for free.