The OST Merge tool is an advanced utility to combine Outlook OST files into single PST format. The software provides 3 options i.e: Join OST files, Merge OST files & Merge contacts only. The user can merge 2 OST files by removing the duplicate data optionally. There is no 2 GB file limitation with this tool user can combine any size of OST file without any hassle. With this tool, the user can opt for Exclude deleted items option while joining two OST files. This OST Combiner allows generating the report in PDF or in CSV file format. For this application to run MS Outlook installation is necessary. Try the demo version of this utility to get a better understanding of the software before the purchase.