For breaking IBM Lotus Notes you can use NSF Split

Publisher:	DownloadtechTools
Downloads:	1
Software Type:	Shareware, 99.00
File Size:	3.77M
OS:	Windows All
Update Date:	15 February, 2018

Use NSF Split Tool to breaking IBM Lotus Notes file by size, folder, year and date. This tool gives four in-built options to breaking IBM Lotus Notes file i.e. size, year, folder and data. You can simply test and use of the software with the trial version facility that supports to break first 20 items of Lotus Notes. This tool also break password protected NSF files, but only if you have a password. The Lotus Notes Split Tool is easily downloadable and compatible on all versions of Windows OS including Win 10. IBM Lotus Notes installation is essential to breaking IBM Lotus Notes file.