Yes, PST file viewer provides an option by which users will be able to view the inline attachments inside the message body without the need to open attachments and view their content.
There is no file size limitation to view any PST file items as the software software supports viewing of any size of Outlook data file. Also, tool is already tested with 30GB of PST file.
Yes, you can do this by searching that particular folder whose items you want view. Alos, this utility provides a Search option by which you could index the items by adding the available filters such as: To, Cc, Bcc and Date.
The software enables users to take the print out of the PST file output and yes these hard copy of the file can be used as backup especially in case of lost or corrupted PST file. So, the answer is absolutely Yes.