Is there one tool that supports all these exports (PST, MBOX, EML, Office 365) in one place?

[salina]

Yes, and honestly, that's what you should look for. It’s much more cost-effective and efficient to get one "Swiss Army knife" tool than to find separate utilities for every job.
This is why I tend to recommend the eSoftTools NSF to PST Converter Software. It was clearly built for professionals and end-users who need options. It handles all the scenarios we just discussed from a single dashboard:

• NSF to PST (for Outlook)
• NSF to MBOX (for Thunderbird/Apple Mail)
• NSF to EML/MSG (for individual messages)
• NSF to vCard/CSV (for contacts)
• Direct migration to Office 365 & Gmail/G Suite

Having all those options in one place means you're covered no matter where you or your company decides to send that old Notes data.

Read More - Export NSF to PST file