RecoveryFix for Outlook is advised for revival of corrupt PST file recovery. You can use its evaluation version for revival of corrupt PST files. To download the trial version log on to www.outlookpstrepair.recoveryfix.com.
Split PDF application has option to divide large PDF file into pages, join pages and create usual PDF file, delete useless pages from PDF document, extract required pages, combine two file and pages, change page size, use password protection etc.
Recoveryfix for OST to PST software is available in free trial version. You can download and install it free of cost to convert OST to PST free. The software has got advanced data recovery features to recover data from corrupt OST files accurately.