Split technique is useful when we have large size Outlook PST files. Here is introduction of Split PST File Tool which has been designed to split large PST file into small size PST files on the basis of sender's e-mail IDs, Size and Date. The Tool will help you to split all MS Outlook item such as contacts, calendars, journals, email, etc. Split Software support all versions of MS Outlook and also compatible with all Windows versions. Source link:- Split PST File into Multiple Smaller Parts Manually

 

The split Outlook mailbox is one of the important operations that every Outlook user need to perform to prevent the corruption of Outlook data file. There is the manual solution available to split Outlook data file into smaller parts. Read this article which explains the quick manual solution to split PST file: https://technodiary365.wordpress.com...2007-manually/.

If you already tried the manual solution as mentioned in the above post then you can try SysTools PST Splitter software to easily split Outlook data files into smaller parts.

 

If you have a phase problem in large PST files then I would suggest trying the KDETools PST Splitter. It split the large PST files in ANSI and also UNICODE formats. It split the large PST files without installing MS-Outlook. This tool split the large PST files in all Version.
More Details: Split PST Tool to Divide/Split Large Outlook PST File into Smaller Parts